Stats Test Practice

We should use the ___ of group A's plant heights to compare the center because the data set is ___.

• mean, centered

• median, skewed

• mean, skewed

• median, centered

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Which squirrels are longer on average?

• Red

• Grey

• They're the same

Tags

CCSS.7.SP.B.4

Which group has a larger interquartile range?

• Group A

• Group B

• They're the same

Tags

CCSS.7.SP.B.4

Calculate mean for the above given data.

• 1.6

• 1.4

• 1.3

• 1.8

Tags

CCSS.6.SP.B.5C

Calculate median for the above given data.

• 1

• 1.5

• 2

• 3

Tags

CCSS.6.SP.B.5C

The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.

About what percent of the products last between 12 and 15 days?

• 68%

• 34%

• 16%

• 2.5%

Tags

CCSS.HSS.ID.A.4

Using your z-score table, estimate the percentage of area under the standard normal curve between z = −1.3 and z = 3. 

• 0.47%

• 92.04%

• 90.19%

• 49.81%

Tags

CCSS.HSS.ID.A.4

At a company, the data set containing the ages of applicants for a particular job was 30 years old, and the standard deviation of the data set was 3.5 years. Which is closest to the percent of applicants that were 21 years old or younger?

• 0.5%

• 2.0%

• 2.57%

• 9.0%

Tags

CCSS.HSS.ID.A.4

The mean height of the players on a college volleyball team is 6'2", with a standard deviation of 2''.  The players' heights follow a normal distribution. What percentage of players fall within one standard deviation of the mean?

• 68%

• 34%

• 13.5%

• 2.5%

Tags

CCSS.HSS.ID.A.4

The mean height of the players on a college volleyball team is 6'2", with a standard deviation of 2''.  The players' heights follow a normal distribution. What percentage of players are under 6'?

• 34%

• 16%

• 13.5%

• 2.5%

Tags

CCSS.HSS.ID.A.4