Question 1

Which of the following best describes the shape of the distribution in the 'Yelp Ratings for Hot Doug’s' bar graph?

Accepted Answer

Skewed left

Question 2

In the 'Sum of Two Dice' histogram, what is the most frequent outcome observed?

Accepted Answer

7

Question 3

Refer to the stem plot of Best Actress Age. What is the age of the youngest winner?

Accepted Answer

22

Question 4

The histogram of speeding tickets issued shows a distribution that is:

Accepted Answer

Skewed right

Question 5

Based on the histogram of speeding tickets, would you expect the mean to be greater than, equal to, or less than the median?

Accepted Answer

Mean is greater than median

Question 6

Compare the two histograms of exam scores. Which exam has a higher center?

Accepted Answer

Exam 1

Question 7

In the stemplot of church choir ages, what is the median age?

Accepted Answer

26

Question 8

Using the boxplot of pizza delivery times, which pizza place has more variability in delivery times?

Accepted Answer

Big Slice

Question 9

Refer to the boxplot of university student weights. Which statement is true?

Accepted Answer

50% of female university students weigh more than 40 kg.

Question 10

Based on the boxplot of TV and homework minutes per night, which activity is more common for students to spend an hour or more on?

Accepted Answer

TV

Question 11

In the boxplot comparing average monthly high temperatures, which city has a greater median temperature?

Accepted Answer

Honolulu

Question 12

Which city has more variation in average temperature according to the boxplot?

Accepted Answer

Milwaukee

Question 13

Which scatterplot has a correlation coefficient of $$r = -0.912$$?

Accepted Answer

Bottom right

Question 14

Which of the two bar graphs about house prices is misleading, and why?

Accepted Answer

The first graph is misleading because it uses a truncated y-axis.

Question 15

Which of the two hurricane graphs is misleading, and what makes it misleading?

Accepted Answer

The second graph is misleading because it only shows the part of the graph where hurricanes are increasing.

Question 16

If a pie chart is used to advertise Radical Soda as having the highest percentage, which design feature could make the graph misleading but not untrue?

Accepted Answer

Using a 3D effect to exaggerate the size of the Radical Soda slice.

Step-by-Step Guidance for Statistics Midterm Practice Problems

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드