7.04 Univariate data, center, and spread
Interactive practice questions
Marge grows two different types of bean plants. She records the number of beans that she picks from each plant for $10$10 days. Her records show:
Plant $A$A: $10,4,4,5,7,10,3,3,9,10$10,4,4,5,7,10,3,3,9,10
Plant $B$B: $8,7,5,5,9,7,8,7,5,6$8,7,5,5,9,7,8,7,5,6
What is the mean number of beans picked per day for Plant $A$A? Leave your answer to one decimal place if needed.
What is the mean number of beans picked per day for Plant $B$B?
What is the range for Plant $A$A?
What is the range for Plant $B$B?
Which plant produces more beans on average?
Plant B
Plant A
Which plant has a more consistent yield of beans?
Plant A
Plant B
Two machines $A$A and $B$B are producing chocolate bars with the following mean and standard deviation for the weight of the bars.
Two friends compete in $100$100 m sprints and the time to complete $50$50 sprints were recorded. The mean and standard deviation for the sprints are shown below.