Question 1

If the scores on a variable are 11,14,18,19,20,and 25,the median is

Accepted Answer

A) 3. 
B) 18. 
C) 18.5. 
D) 19. 
A) 3. 
B) 18. 
C) 18.5. 
D) 19.

Question 2

The median cannot be found for variables measured at the nominal level because

Accepted Answer

A) there is no central tendency. 
B) the scores cannot be ranked or ordered. 
C) all of the cases are representative. 
D) the distribution is skeweD. 
A) there is no central tendency. 
B) the scores cannot be ranked or ordered. 
C) all of the cases are representative. 
D) the distribution is skeweD.

Question 3

For ordinal level variables,the most appropriate measure of central tendency is generally

Accepted Answer

A) the mode. 
B) the median. 
C) the mean. 
D) none of these 
A) the mode. 
B) the median. 
C) the mean. 
D) none of these

Question 4

The mode measures "central tendency" in terms of the most

Accepted Answer

A) common score. 
B) central case. 
C) important score. 
D) average case. 
A) common score. 
B) central case. 
C) important score. 
D) average case.

Question 5

If you changed ONLY the highest score in a distribution of 5 scores,which of the following measure of central tendency would be affected?

Accepted Answer

A) the mean 
B) the median 
C) the mode 
D) all of these 
A) the mean 
B) the median 
C) the mode 
D) all of these

Question 6

The expression S(Xi)directs us to find the

Accepted Answer

A) average of the scores. 
B) middle score. 
C) sum of the scores. 
D) median. 
A) average of the scores. 
B) middle score. 
C) sum of the scores. 
D) median.

If the scores on a variable are 11,14,18,19,20,and 25,the median is

The median cannot be found for variables measured at the nominal level because

For ordinal level variables,the most appropriate measure of central tendency is generally

The mode measures "central tendency" in terms of the most

If you changed ONLY the highest score in a distribution of 5 scores,which of the following measure of central tendency would be affected?

The expression S(X_i)directs us to find the

Introduction

Basic Descriptive Statistics: Percentages Ratios and Rates Frequency Distributions

Charts and Graphs

Measures of Dispersion

The Normal Curve

Introduction in Inferential Statistics, the Sampling Distribution, and Estimation

Hypothesis Testing I: the One-Sample Case

Hypothesis Testing II: the Two-Sample Case

Hypothesis Testing III: the Analysis of Variance

Hypothesis Testing Iv: Chi Square

Introduction to Bivariate Association and Measures of Association for Variables Measured at the Nominal Level

Association Between Variables Measured at the Ordinal Level

Association Between Variables Measured at the Interval-Ratio Level

Partial Correlation and Multiple Regression and Correlation

Filters

Exam 4: Measures of Central Tendency

If the scores on a variable are 11,14,18,19,20,and 25,the median is

The median cannot be found for variables measured at the nominal level because

For ordinal level variables,the most appropriate measure of central tendency is generally

The mode measures "central tendency" in terms of the most

If you changed ONLY the highest score in a distribution of 5 scores,which of the following measure of central tendency would be affected?

The expression S(Xi)directs us to find the

Introduction

Basic Descriptive Statistics: Percentages Ratios and Rates Frequency Distributions

Charts and Graphs

Measures of Dispersion

The Normal Curve

Introduction in Inferential Statistics, the Sampling Distribution, and Estimation

Hypothesis Testing I: the One-Sample Case

Hypothesis Testing II: the Two-Sample Case

Hypothesis Testing III: the Analysis of Variance

Hypothesis Testing Iv: Chi Square

Introduction to Bivariate Association and Measures of Association for Variables Measured at the Nominal Level

Association Between Variables Measured at the Ordinal Level

Association Between Variables Measured at the Interval-Ratio Level

Partial Correlation and Multiple Regression and Correlation

Filters

The expression S(X_i)directs us to find the