Analyze Data

Given the two box plots, what statements are true? Select all that apply.

• The two plots have the same range.

• The IQR of Set A is greater than the IQR of Set B.

• The spread of the middle half of Set A's data is less than that of Set B.

• Set A's median is greater than Set B's median.

• Set A's mean is greater than Set B's mean.

Using the stem-and-leaf plot, which statement is NOT true?

• Most of the plants are less than 20 inches tall.

• The median plant height is 11 inches.

• The range of the plant heights is 35 inches.

• The plant height that occurs most often is 11 inches.

This set of data includes the scores that James earned on his last 6 math tests. If the lowest score is dropped, which statement is true?

{90 , 86 , 75 , 95 , 100 , 70}

• The range will decrease by 10 points

• The median score will increase by 2 points.

• The median score will increase by 5 points.

• The mean score will decrease by 3.2 points.

How many students were greater than or equal to 60 inches tall?

• 21

• 11

• 17

• 6

How many more people liked goldfish than snakes?

• 7 - 1 = 6

• 6 - 3 = 3

• 6 - 1 = 5

• 6 - 2 = 4

Which dot plot shows more variability? a or b?

• a

• b

Find the MAD:
58, 38, 54, 48, 26, 36

• 43

• 20

• 10

• 12

Find the MAD:
2,4,6,8,10,12

• 5

• 7

• 1

• 3

What is the Q1, Q2, and Q3 of the following data set?

4, 5, 6, 8, 9, 10, 11

• Q1: 4

  Q2: 8

  Q3: 11

• Q1: 5

  Q2: 8

  Q3: 10

• Q1: 4

  Q2: 5

  Q3: 6

How many cities have temperatures between 70 degrees and 99 degrees?

• 44

• 34

• 26

• 62