Analyzing Data and Conclusions

What is the median of the data?

• 200

• 100

• 90

• 140

What is the interquartile range?

• 4

• 6

• 2

• 8

Which of the following best describes the process of finding the interquartile range for a set of data?

• Add the biggest and smallest numbers.

• Place the numbers in order from least to greatest and find the middle.

• Find the difference between the maximum and the minimum.

• Subtract Q1 from Q3.

What is the range of the data?

• 4

• 8

• 6

• 2

• 12

• 13

• 14

• 18

Elliot says almost everyone arrived at the party after 10:00 P.M., but Nancy thinks most people came earlier. When did a majority of the people arrive?

• 7:00-7:59 P.M.

• 8:00–8:59 P.M.

• 9:00–9:59 P.M.

• 10:00–10:59 P.M. 

What data value is the upper quartile (Q3)?

• 64

• 62

• 66

• 58

A store sells loaves of bread. The table below shows the number of loaves of bread sold each day for a week. What is the difference between the mean and median number of loaves of bread sold?

• 8

• 12

• 19

• 25

The neighborhood elementary school is having a fund raiser. The following table shows the number of packages of gift wrap sold each day. What is the mean number of packages of gift wrap that are sold?

• 57

• 72

• 75

• 94

During the week, Kiana kept a log of how many hours she spent after school on homework. Based on the information in the table above, which would best describe her homework habits?

• Kiana studied an average of 2.3 hours a week.

• The range is so spread out; it appears Kiana has inconsistent study habits.

• Kiana spends, on average, at least 20% of each day doing homework.

• The data indicates that Kiana studies more towards the end of the week.