Exam 4: Central Tendency and Dispersion

For interval/ratio data that is very positively skewed (that is, there are a few cases with extremely high values), the value of the mean will be _____ the value of the median.

(Multiple Choice)

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Question 41

Name five different univariate descriptive statistics.

(Essay)

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Question 42

You want to know the approximate average distance of cases from the mean on a particular variable. What statistic would you calculate?

(Multiple Choice)

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Question 43

Which of the following is a measure of central tendency?

(Multiple Choice)

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Question 44

You have an interval/ratio variable. It is very negatively skewed. You want to report just one measure of central tendency. Which of the following is correct?

(Multiple Choice)

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Question 45

What is the lowest level of measurement for which it is permissible to calculate a median?

(Multiple Choice)

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Question 46

Which of the following variables has the greatest dispersion?

(Multiple Choice)

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Question 47

What is the lowest level of measurement for which it is permissible to calculate a mode?

(Multiple Choice)

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Question 48

A researcher has a nominal level variable. Which of the following would be an acceptable way to discuss its dispersion?

(Multiple Choice)

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Question 49

What is the lowest level of measurement for which it is permissible to calculate a variance?

(Multiple Choice)

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Question 50

Which of the following is a univariate statistic?

(Multiple Choice)

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Question 51

What do measures of central tendency communicate about the scores on a variable?

(Multiple Choice)

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Question 52

You want to see the mean, standard deviation, minimum, and maximum for a variable. Which SPSS procedure would be most appropriate?

(Multiple Choice)

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Question 53

When the scores on an interval/ratio variable are very negatively skewed, there are

(Multiple Choice)

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Question 54

A variable that has a bimodal distribution

(Multiple Choice)

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Question 55

Scores on an exam had a mean of 75 and a standard deviation of 5. Which of the following statements is most likely to be true about the distribution of scores on the exam?

(Multiple Choice)

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Question 56

You want a measure of dispersion for an interval/ratio level variable. You want the measure that makes use of the fact that the attributes are not only different and have rank order but also represent a numeric scale. What statistic would you calculate?

(Multiple Choice)

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Question 57

An interval/ratio variable has a variance of 100. What is the value of the standard deviation? standard deviation = __________

(Short Answer)

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Question 58

Showing 41 - 58 of 58

For interval/ratio data that is very positively skewed (that is, there are a few cases with extremely high values), the value of the mean will be _____ the value of the median.

Name five different univariate descriptive statistics.

You want to know the approximate average distance of cases from the mean on a particular variable. What statistic would you calculate?

Which of the following is a measure of central tendency?

You have an interval/ratio variable. It is very negatively skewed. You want to report just one measure of central tendency. Which of the following is correct?

What is the lowest level of measurement for which it is permissible to calculate a median?

Which of the following variables has the greatest dispersion?

What is the lowest level of measurement for which it is permissible to calculate a mode?

A researcher has a nominal level variable. Which of the following would be an acceptable way to discuss its dispersion?

What is the lowest level of measurement for which it is permissible to calculate a variance?

Which of the following is a univariate statistic?

What do measures of central tendency communicate about the scores on a variable?

You want to see the mean, standard deviation, minimum, and maximum for a variable. Which SPSS procedure would be most appropriate?

When the scores on an interval/ratio variable are very negatively skewed, there are

A variable that has a bimodal distribution

Scores on an exam had a mean of 75 and a standard deviation of 5. Which of the following statements is most likely to be true about the distribution of scores on the exam?

You want a measure of dispersion for an interval/ratio level variable. You want the measure that makes use of the fact that the attributes are not only different and have rank order but also represent a numeric scale. What statistic would you calculate?

An interval/ratio variable has a variance of 100. What is the value of the standard deviation? standard deviation = __________

Introduction

Data Sets

Frequency Tables and Univariate Charts

Creating New Variables

Comparing Group Means

Crosstab Tables

Nominal and Ordinal Measures of Association

Pearsons Correlation and Bivariate Regression

Multiple Regression

Sampling Distributions and Normal Distributions

Hypothesis Testing and One-Sample T Tests

Paired and Independent-Samples T Tests

Analysis of Variance

Chi-Square

Hypothesis Testing With Measures of Association and Regression

Filters