The random samples assumption says that the samples in a repeated-measures ANOVA are ____ samples from the population to which one wishes to generalize the results.

The null hypothesis is not rejected if F is ____ the critical value of F.

Values of F cv depend on the numerator and denominator ____.

One-way, repeated-measures ANOVA divides df Total into subcomponents for two different sources of ____.

If F falls on the line that separates the rare zone from the common zone, the null hypothesis is / is not rejected.

The only mean squares one needs to calculate for a one-way, repeated-measures ANOVA are MS ____ and MS ____.

The first question to be addressed in an interpretation of a one-way, repeated-measures ANOVA is ____.

Results were reported in APA format as F(2, 22) = 0.89, p > .01. The alpha level was ____.

Eta squared provides information about the size of the ____.

Eta squared tells the percentage of variability in the ____ variable that is explained by the ____ variable.

If k = 5, n = 20, and N = 100, what are df Subjects , df Treatment , df Residual , and df Total ?

If a difference in a post-hoc test is statistically significant, the two sample means can be used to determine the ____ of the difference for the two population means.

To calculate an HSD value, one needs to find a ____ value in Appendix Table 5.

The ____ is a post-hoc test for use with oneway, repeated-measures ANOVA.

The closer eta squared is to ____%, the bigger the effect.

If the null hypothesis is rejected for the rows effect and for the interaction effect, but not for the columns effect, which effects should be interpreted?

If the null hypothesis is rejected for the rows effect and the columns effect, but not for the interaction effect, which effects should be interpreted?

If SS Interaction = 0.60 and df Interaction = 4, calculate MS Interaction .

If R = 2, C = 3, and n = 11, calculate the degrees of freedom for the following effects: (a) Rows, (b) Columns, (c) Interaction, (d) Within groups, (e) Between groups, and (f) Total.

A hypothesis will be used to test that a population mean equals 7 against the alternative that the population mean does not equal 7 with known variance . What are the critical values for the test...

A 95% confidence interval for ranges from .61 to .70. a. Was the null hypothesis rejected? b. Were the results statistically significant? c. Could the relationship between X and Y in the population...

If a 95% confidence interval for in z r units ranges from 1.52 to 0.26, what is it in r units?

Transforming r to z r . If r = .33, what is z r ?

If r = .05, (a) Calculate r squared and (b) Classify the effect as small, medium, or large.

If r(30) = .40, p < .05, (a) What conclusion can be drawn about the existence of a relationship between X and Y in the population? (b) Comment on the direction of the relationship in the population.

If r cv = +.554, what is the decision rule?

Given a one-tailed test, = .05, N =33, and H 1 : < 0, what is r cv ?

The World Health Organization defines obesity in adults as having a body mass index (BMI) higher than 30. Of the 250 men in the study mentioned in Exercise 11-1, 23 are by this definition obese. How...

If the confidence interval is wide, one is likely to recommend ____ of the study with a larger ____.

When transforming a confidence interval from z r units to r units, make sure to maintain the ____ of the z r units.

Cohen considers an r 2 of ____% or greater to be a large effect.

As r 2 gets closer to ____%, the effect is considered stronger.

If a result is not statistically significant, then there is a possibility of a ____ error.

If the relationship between X and Y is a direct one, then cases with high scores on X are likely to have ____ scores on Y.

If APA format says r(8) = .23, p > .05, then the results were ____ significant.

APA says a correlation should be reported as ____, not 0.45.

Finding r cv depends on the number of tails in the test, alpha, and ____.

You have fit a multiple linear regression model and the (X'X) 1 matrix is: (a) How many regressor variables are in this model? (b) If the error sum of squares is 307 and there are 15 observations,...

An article in Electronic Packaging and Production (2002, Vol. 42) considered the effect of X-ray inspection of integrated circuits. The rads (radiation dose) were studied as a function of current (in...

If the hypotheses are nondirectional, then one is completing a ____-tailed test.

If the alternative hypothesis is < 0, then the researcher believes the relationship between X and Y is direct / inverse.

The alternative hypothesis for a two-tailed test says there is ____ relationship in the population between X and Y, but it doesnt state the ____ of the relationship.

The null and alternative hypotheses are statements about the ____ value of the correlation.

Table E12-3 provides the highway gasoline mileage test results for 2005 model year vehicles from DaimlerChrysler. The full table of data (available on the books Web site) contains the same data for...

An article in Cancer Epidemiology, Biomarkers and Prevention (1996, Vol. 5, pp. 849852) reported on a pilot study to assess the use of toenail arsenic concentrations as an indicator of ingestion of...

The linearity assumption is tested by making a ____.

A deflated value of a correlation can be caused by a ____.

An outlier can ____ the value of a correlation.

An article in Biotechnology Progress (2001, Vol. 17, pp. 366368) reported on an experiment to investigate and optimize nisin extraction in aqueous two-phase systems (ATPS). The nisin recovery was the...

X and Y have an inverse relationship. As scores on X go up, scores on Y go ____.

An r of ____ or ____ indicates a perfect linear relationship.

If there is no linear relationship, then r = ____.

By the definitional formula for Pearson r, r is the ____ of multiplied-together pairs of ____.

Making a scatterplot using z scores instead of raw scores does / does not change the shape of the scatterplot.

The predictor variable in a correlation is the one that is viewed as ____ the other variable.

If there is a cause-and-effect relationship between two variables, then they are ____. But, if two variables are correlated, there is not necessarily a ____ relationship between them.

Statisticians love to say that correlation ____ causation.

A Pearson r measures how much the points in a scatterplot fall in a ____ line.

If theres a relationship between two variables, they are said to be ____.

A Pearson r measures the degree of ____ relationship between two ____ variables.

Consider the regression model fit to the gray range modulation data in Exercise 12-19. Use the useful range as the response. (a) Test for significance of regression using α = 0.05. What...

If r = .20 and s Y = 30.42, what is the standard error of the estimate?

If X = 24.77, Y = 33.43, and Y = 31.22, what is the residual score?

Predicting Y. Find Y if X = 10 for Y = 13X + 88.

Multiple regression is often used in college ____ decisions.

Simple regression uses ____ independent variable to predict Y; multiple regression uses ____.

A prediction interval gives the range within which it is likely that a cases Y / Y value falls.

The standard deviation of the residual scores is called the ____.

An ____ estimate is better than a ____ estimate.

Predictions of Y from X should only be made for X values that fall within the range of ____ used to develop the regression equation.

If a slope is 0.50, then for every 1-point increase in X, there is a 0.5-point ____ in Y.

The difference between a cases actual Y score and its predicted Y score is called a ____.

Statisticians use the ____ criterion to judge the regression line.

____ is the abbreviation for a predicted value of Y.

In linear regression, the ____ variable is X and Y is the ____ variable.

Consider the stack loss data in Exercise 12-20. (a) What proportion of total variability is explained by this model? (b) Construct a normal probability plot of the residuals. What conclusion can you...

An article in Cancer Epidemiology, Biomarkers and Prevention (1996, Vol. 5, pp. 849852) reported on a pilot study to assess the use of toenail arsenic concentrations as an indicator of ingestion of...

True or False: When testing a hypothesis using the Classical Approach, if the sample proportion is too many standard deviations from the proportion stated in the null hypothesis, we reject the null...

A cylindrical barrel s feet in diameter of weight w lb is floating in water as shown in the following figure (a). After an initial depression the barrel exhibits an up and down bobbing motion along a...

A random sample of monthly gasoline prices was taken from 2011 and from 2015. The samples are shown. Using α = 0.01, can it be concluded that gasoline cost more in 2015? Use the P-value...

At some vacation destinations, all-inclusive resorts allow you to pay a flat rate and then eat and drink as much as you want. There has been concern about whether these deals might lead to excessive...

Parametric tests assume that the dependent variable is ____ in the population.

Nonparametric tests have less ____ than ____ tests.

The abbreviation for chi-square is ____, where the Greek letter is pronounced ____.

The critical value of chi-square is abbreviated ____.

It is impossible / possible for expected frequencies in a chi-square goodness-of-fit test to be fractional numbers.

The first step in calculating a chi-square is to ____ the expected frequencies from the ____.

The formula Ï/n for the standard deviation of x actually is an approximation that treats the population size as infinitely large relative to the sample size n. The exact formula for a finite...

The chi-square test of independence differs from the chi-square goodness-of-fit test in terms of the number of ____ in the test.

To conduct a chi-square test of independence, construct a ____ table that cross-tabulates the values of the ____ with the levels of the ____.

The assumptions for the chi-square test of independence are the same as for the ____.

The expected frequencies for the rows in a chi-square test of independence are the same as the observed frequencies for the ____.

The MannWhitney U test compares the ranks of the cases in one ____ to the ____ of the cases in the other sample.

Calculating Ï 2 for a chi-square goodness-of-fit test. Given the information in the following matrix, calculate Ï 2 : 40 f. 50 observed %Expected Expected 35% 65%

Using APA format with = .05. If df = 5, N = 234, and 2 = 3.85, write the results in APA format.

There should be at least ____ cases in each cell in a chi-square goodness-of-fit test.

Find the relative frequency for the frequency distribution for the data in Exercise 6. Data from 6 79 70 71 63 83 90 72 66 80 73 68 70 51 66 74 67 54 81 62 66 78 68 57 96 78 55 76 60 85 71 66 57 77...

To determine if one group differs from another, the type of test to use is a ____ test.

If cases are divided into groups, the researcher is probably conducting a ____ test.

Forbes magazine prints an annual Top-Earning Nonliving Celebrities list (based on royalties and estate earnings). Find the mean, median, mode, and midrange for the data. Comment on the skewness....