AP Stats Unit 1 quiz

Which of the following is NOT a measure of central tendency?

• Mean
• Median
• Mode
• Range

Tags

CCSS.6.SP.A.3

A data set has a mean of 25 and a median of 23. Which of the following statements is true?

• The data set is positively skewed.
• The data set is negatively skewed.
• The data set is symmetric.
• The data set cannot be determined based on the given information.

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

In a histogram, the horizontal axis represents:

• The frequency of each data value.
• The range of the data set.
• The intervals or categories of the data.
• The cumulative frequency.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Which of the following is NOT a measure of variability?

• Standard deviation
• Interquartile range
• Variance
• Mean absolute deviation

Tags

CCSS.6.SP.A.3

Which of the following is a measure of association between two quantitative variables?

• Correlation coefficient
• Standard error
• Confidence interval
• Z-score

Tags

CCSS.HSS.ID.C.9

A data set has a mode of 10 and a median of 15. Which of the following statements is true?

• The data set is positively skewed.
• The data set is negatively skewed.
• The data set is symmetric.
• The data set cannot be determined based on the given information.

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

The coefficient of determination is:

• The square of the correlation coefficient.
• The inverse of the correlation coefficient.
• The product of the correlation coefficient and the standard deviation.
• The difference between the correlation coefficient and the standard deviation.

Tags

CCSS.HSS.ID.B.6B

Which of the following is NOT a type of probability sampling?

• Simple random sampling
• Stratified random sampling
• Convenience sampling
• Cluster sampling

The standard deviation is a measure of:

• Central tendency.
• Variability.
• Association.
• Probability.

Tags

CCSS.6.SP.A.3

In a boxplot, the line inside the box represents the:

• Median.
• Mean.
• Mode.
• Range.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1