Statistics Mid Term Exam Review

Which of the following is a characteristic of the individuals in a data set?

• A) Outlier

• B) Mean

• C) Variable

• D) Standard Deviation

An individual observation that falls outside the overall pattern of the graph is known as a(n) _______.

• Mean

• Outlier

• Median

• Percentile

A survey was conducted on the ages of teachers at a large local high school. Here is the data: [Data provided in the image]. Which of the following boxplots is a correct representation of the same distribution?

• Boxplot A

• Boxplot B

• Boxplot C

• Boxplot D

Mrs. G took her daughter, Susie, to the pediatrician for her 1-year check-up. The doctor reported that she was at the 95th percentile for her height. Which of the following is the correct interpretation of this percentile?

• Susie's height is 95% above the mean height for all babies.

• Susie's height is 95% below the mean height for all babies.

• Susie's height is less than 95% of all baby heights.

• Susie's height is more than 95% of all baby heights.

The median fat content for Kellogg is _______ than the median fat content for General Mills.

• greater

• less

• equal

• not comparable

Which of the following pie graphs represents the data in the frequency table below? Category | Frequency Freshman | 30 Sophomores | 50 Juniors | 100 Seniors | 20

• A

• B

• C

• D

Fill in the blank: In the frequency table, the category with the highest frequency is ______.

• A) Freshman

• B) Sophomores

• C) Juniors

• D) Seniors

What is the approximate IQR of this distribution?

• 18

• 50

• 58

• 25

The median age of the US House of Representatives before the 2022 election is approximately ____.

• 45

• 55

• 65

• 75

Which of the following examples would NOT be able to be described by a normal curve?

• The height of the actresses on Broadway

• Rolling two dice, 50 times, and observing the sum of the two dice

• How many ounces of sugar in a 20 oz container

• The shoe size of all the students in the school