Algebra 1 Stats

What is the mean of the following set of numbers: 4, 8, 12, 16, 20?

• 10

• 12

• 14

• 16

Tags

CCSS.6.SP.B.5C

If the median of a set of numbers is 24, which of the following could be the set of numbers?

• 20, 22, 24, 26, 28

• 22, 23, 24, 25, 26, 27

• 23, 24, 25, 26, 27

• All of the above

Tags

CCSS.6.SP.B.5C

What is the mode of the following set of numbers: 3, 7, 7, 8, 12, 12, 12, 13?

• 7

• 8

• 12

• 13

Tags

CCSS.6.SP.B.5C

What is the range of the following set of numbers: 5, 11, 17, 23, 29?

• 24

• 25

• 26

• 27

If a data set has an even number of observations, how is the median calculated?

• By taking the mean of the two middle numbers

• By choosing the larger of the two middle numbers

• By choosing the smaller of the two middle numbers

• By multiplying the two middle numbers

Tags

CCSS.6.SP.B.5C

What is the standard deviation of the following set of numbers: 2, 4, 4, 4, 5, 5, 7, 9?

• 2

• 2.5

• 3

• 1.5

In a set of data, if the majority of the numbers are close to the mean, what can be said about the standard deviation?

• It is high

• It is low

• It is zero

• It cannot be determined

What is the interquartile range of the following set of numbers: 1, 3, 5, 7, 9, 11, 13, 15?

• 8

• 10

• 12

• 14

Tags

CCSS.6.SP.B.5C

If a histogram has a peak towards the left and the tail extends to the right, what is this distribution called?

• Positively skewed

• Negatively skewed

• Normal distribution

• Uniform distribution

What does the correlation coefficient measure?

• The slope of the line of best fit

• The strength and direction of a linear relationship between two variables

• The mean of a set of data

• The standard deviation of a set of data

Tags

CCSS.HSF-LE.A.1B