Home Chapter 3: Descriptive Statistics Multiple Choice

# Multiple Choice

This activity contains 25 questions.

## A personâ€™s weight is measured on which kind of scale?

 Interval Ordinal Nominal Ratio

## Percentiles represent which kind of scale?

 Ordinal Ratio Interval Nominal

## Aggregating students by demographic data such as race/ethnicity and gender relies on which kind of scale?

 Ratio Ordinal Interval Nominal

## Grade equivalents represent which kind of scale?

 Ratio Interval Nominal Ordinal

## Standard scores are represented on which kind of scale?

 Ordinal Nominal Ratio Interval

## Given the following information, determine the raw score. Items attempted: 4, 6, 2, 8, 10; Errors: 1, 2, 1, 2, 3.

 9 5 30 21

## What type of score is determined when a national sample of students of the same age or grade attempts the same items on an assessment?

 Standard deviation Derived score Standard Norm-referenced

## Tests designed to compare an individual studentâ€™s scores with national averages are called ___.

 criterion-referenced assessment curriculum-based assessment norm-referenced tests curriculum-based measurement

## Which of the following is NOT a derived score?

 Percentile rank Age or grade equivalent Raw score Language quotient

## Statistics used to organize and describe data are called _____.

 descriptive statistics mean measure of central tendency demographics

## A hypothetical representation of the way test scores would fall if a particular test was given to every single student of the same age or in the same grade in the population for whom the test was designed.

 Standard deviation Frequency distribution Frequency polygon Normal distribution

## Determine the mean of the following distribution of test scores: 52, 56, 68, 72, 74, 78, 80, 82, 82, 86.

 76 73 34 82

## Determine the mode of the following distribution of test scores: 52, 56, 68, 72, 74, 78, 80, 82, 82, 86.

 82 76 73 34

## Determine the median of the following distribution of test scores: 52, 56, 68, 72, 74, 78, 80, 82, 82, 86.

 73 34 82 76

## This measure helps determine how much distance from the mean is typical and how much is considered significant.

 Standard deviation Percentiles Range Variance

## This measure describes how spread out the scores in a distribution are from the mean.

 Range Frequency polygon Standard deviation Variance

## Determine the range of the following distribution of test scores: 52, 56, 68, 72, 74, 78, 80, 82, 82, 86.

 76 34 34 73

## Determine the variance of the following distribution of test scores: 52, 56, 68, 72, 74, 78, 80, 82, 82, 86.

 73 117.2 1,172 10.83

## Determine the standard deviation of the following distribution of test scores: 52, 56, 68, 72, 74, 78, 80, 82, 82, 86.

 117.3 10.83 1,172 73

## On a normal curve, approximately what percentage of scores is found within 2 standard deviations above and below the mean?

 68% 48% 95% 50%

## Cognitively, culturally or linguistically diverse groups may have a different mean score than reported for most of the population. When this happens, it is called a _____.

 variance mean difference measure of central tendency standard deviation

## The following distribution of test scores: 52, 56, 68, 72, 74, 78, 80, 82, 82, 86 would produce what type of distribution?

 Negatively skewed distribution Positively skewed distribution Normal distribution Unable to determine based upon the data provided.

## How is the following score being expressed? Score = +2 standard deviations

 T-score raw score percentile rank z-score

## _____ scores are divided into 10 groups, 10 for the lowest group, 100 for the highest.

 T-score deciles z-score Stanine

## _____ scores are divided into 9 groups, with 5 being the mean and 2 being the standard deviation.

 Stanine z-score Deciles T-score

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