The weight of a person is considered to be a discrete variable.

Question 1 options:

	True
	False

Question 2 (2 points)

A single, extremely small value can affect the median more than the mean.

Question 2 options:

	True
	False

Question 3 (3 points)

Which of the following variables is not categorical?

Question 3 options:

	IQ
	Marital Status
	Gender
	Eye Color

Question 4 (2 points)

If the standard deviation of a study population is 11, the population variance is 121.

Question 4 options:

	True
	False

Question 5 (3 points)

Which of the following best describes for data that were collected originally from the different individuals for research purpose?

Question 5 options:

	Primary Data
	Secondary data
	Experimental Data
	Raw Data

Question 6 (2 points)

The human resource staff that determines the association of educational qualifications and the performance level of sales agent of a certain company uses the inferential statistics.

Question 6 options:

	True
	False

Question 7 (3 points)

A summary measures calculated from the sample data is called

Question 7 options:

	an outlier
	a sample statistic
	a sample parameter
	a population parameter

Question 8 (2 points)

Inferential statistics consist of techniques that allow us to study samples and then make generalizations about the populations from which they were selected.

Question 8 options:

	True
	False

Question 9 (4 points)

Justin got a score of 85 on an GE MMW examination for which the mean is 75. Justin realized that the z - score for his exam result is 0.71. What is the standard deviation for the set of GE MMW exam scores?

Question 9 options:

	14.08
	16.08
	15.07
	13.07

Question 10 (2 points)

The mean is not appropriate if extremely large values are included in the data set.

Question 10 options:

	True
	False

Question 11 (2 points)

A market analysts that tested the difference on the consumers buying preference in different brands of coffee uses the descriptive statistics.

Question 11 options:

	True
	False

Question 12 (2 points)

In any data set, the mode will always be unique.

Question 12 options:

	True
	False

Question 13 (2 points)

The measure of dispersion is a numerical value that describes how widely the data are disperse about a central value.

Question 13 options:

	True
	False

Question 14 (4 points)

During the scholarship examination of a certain scholarship grant taken by 10,000 applicants, Annabelle score was 350 greater than the scores of 8995 applicants who took the examination. What is the percentile of Annabelle's score?

Question 14 options:

	86th Percentile
	85th Percentile
	90th Percentile
	88th Percentile

Question 15 (3 points)

The science of statistics is/are which of the following:

Question 15 options:

	Interpretation of data
	Presentation of data
	Organization of data
	All of them

Question 16 (5 points)

A course professor rated his students on 5 different short exams, major projects, and long examinations. Each short test is worth 5% of the final grade while the projects count 35% of the final grade. The long examination composed the remaining 40% of the final grade. Annabelle had scores in her 5 short examinations, 95, 90, 80, 75, 85. Her major projects had a rating of 90 while her long examination score was 88. Determine Annabelle's final grade for the course.

Question 16 options:

	87.95
	77.95
	78.95
	85.95

Question 17 (2 points)

The ratio is considered the "highest" level of data and the data must be mutually exclusive.

Question 17 options:

	True
	False

Question 18 (3 points)

Which of the following statements are true?

I. Categorical variables are the same as qualitative variables.

II. Quantitative variables can be continuous variables.

III. Categorical variables are the same as quantitative variables.

Question 18 options:

	I and II only
	I only
	II and III only
	I and III only