Can you assist me with the following

An one-samples t-test is appropriate for measuring the relationship between two variables on a ranked scale.

1. True
2. False

The statistic calculated by summing the deviations, squaring the result, and then dividing by the sample size minus one is the:

1. standard deviation
2. sample variance
3. mean
4. median

A researcher plans to complete a study to see whether people who exercise everydayhave different blood pressureas compared to bloodpressure ofpeople who are in the general population. Thus, the independent variable is exercise and the dependent variableis blood pressure.What analysis would be the best choice to analyze the data?

1. independent samplesttest
2. one-samplet-test
3. pairedsamplesttest

A histogram is used for what purpose when conducting an one-samplettest?

1. The normality assumption
2. The significance of the t test
3. The homogeneity of variance assumption

Based on these results,t(90)= 3.66,p =.04,²= .25, what can the educational researcher say about the null hypothesis?

1. Reject the null hypothesis
2. Fail to reject the null hypothesis

The average height of a middle school males is 52.0 inches and Joe is exactly two standard deviations taller than his classmates. Given a S.D. of 1.5 inches, how tall is Joe?

1. 53.5 inches
2. 55.0 inches
3. 49.0 inches
4. 50.5 inches

A researcher plans to complete a study to see whether people who eat an all carbohydrate diet have differentcholesterol levelsthan people in the general public. Thedependentvariableinthis study is

1. diet.
2. cholesterol levels.

If the mean is 60 lbs and the median is 65 lbs, then you would have a:

1. Skewed negative distribution
2. Skewed positive distribution

What is trueabout a data set with a large standard deviation?

1. The larger the standard deviation, the smaller the spread of scores around the mean and each other.
2. The larger the standard deviation, the larger the spread of scores around the mean and each other.

What is the best measure of central tendency fortest scores in which the distribution is extremely negatively skewed?

1. Mean
2. Mode
3. Median
4. Standard Deviation

QUESTION 20

1. If the alpha level is.05,then the confidence level is
2. 90%
3. 95%
4. 100%

If all other values are held constant, what happens to the value oftwhen sample sizeincreases?:

1. tincreases
2. tdecreases
3. (m₁-m₂) increases
4. (m₁-m₂) decreases

If the Shapiro-Wilks test is statistically significant:

1. the assumption ofnormality is considered met.
2. the assumption ofnormality is considerednotmet.

The one-sample t-test is used to determine if there is a difference between a selected sample mean and a population mean.

1. True

1. False

The results of a study that used an one-samplesttest wast(28) = 2.14,p= .01. Based on these results, what were the degreesof freedom?

1. .01
2. 28
3. 2.14

A researcher calculates the distance between the minimum (70) and the maximum (108) test scores in a data set. What does38 represent?

1. Range
2. Variance
3. Standard deviation
4. Sum of scores