Data Quiz Review

How many people have 4 or more pets?

• 8

• 3

• 6

• 4

Answer explanation

The correct answer is 6 because the question asks for the number of people with 4 or more pets, and 6 is the only option that fits this criteria.

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How many days is the high temperature recorded for this dot plot?

• 16

• 15

• 14

Answer explanation

The correct answer is 15 because the dot plot shows the high temperature recorded for 15 days, each dot representing a day.

What is the Mode of this data?

• 96

• 97

• 68

• 802

Answer explanation

The mode of the data is 96 because it appears most frequently compared to other numbers in the dataset.

How many data items are on this plot?

• 9

• 17

• 26

• 89

Answer explanation

The correct answer is 17 because there are 17 data items shown on the plot.

Which interval shows the greatest number of pets?

• 15-19
• 0-4
• 5-9
• 10-14

21. How many students are represented by the histogram?  

• Cannot be determined
• 9
• 31
• 35

How many films were under 90 minutes

• 1

• 0

• 80

• 85

Answer explanation

There was only 1 film that was under 90 minutes, making the correct answer 1.

Mr. Fisk, Ms. Martinez, and Mrs. Smeltzer, gathered every 6th grade math score on the test they took, which is shown in the box plot above. What is the median score the 6th grade students received?

• 64

• 70

• 84

• 72

Answer explanation

The median score is the middle value, which in this case is 70 as it divides the data set into two equal parts.

How do I find the Interquartile Range (IQR) on a box plot?

• Add the min. and max.

• Add Q1 and Q3

• Subtract Q1 and Q3

• Subtract the min. and max.

Answer explanation

To find the Interquartile Range (IQR) on a box plot, you subtract Q1 (the 25th percentile) from Q3 (the 75th percentile). This gives you the range where the middle 50% of the data falls.