Basketball Team and Sunflowers Quiz

The number of points a basketball team scored during some of their games is listed below: 82, 103, 76, 94, 101, 94, 74 Which of the following is NOT true?

• The median is 94

• The mode is 94

• The sample standard deviation is 11.8

• The mean is 92

Susan and Mark are interested in how tall sunflowers grow. Susan measures all the sunflowers in a field near her house. From her data, she calculates the mean height to be 145.42 cm with a standard deviation of 10.5 cm. Mark measures all the sunflowers in a nearby plant nursery. From his data, he calculates the mean height to be 184.32 cm with a standard deviation of 22.7 cm. Which of the following statements is NOT true about Susan and Mark's data?

• On average, the sunflowers in Mark's data are taller than the sunflowers in Susan's data.

• The data Mark collected is more spread out than the data Susan collected.

• The data Susan collected is more spread out than the data Mark collected.

• On average, the sunflowers in Susan's data are smaller than the sunflowers in Mark's data.

How many people prefer Firefox?

• 204

• 246

• 510

• 20

What is the median?

• 68

• 71

• 75

• 77

Which of the following measures would best represent the most frequently selected color of a car purchased?

• True

• False

Mr. Stewart plotted the scores on the last math models exam as shown below. How many people scored an 84 or higher?

• A. 4

• B. 3

• C. 13

• D. 7

Julio is practicing for a track meet. Here are his times in seconds: 9.1, 8.7, 9.2, 9.0, 8.7, 8.9, 15.0, 9.2. Which of the following statements is true?

• A. The mean is 9.5.

• B. The mode is 9.2.

• C. The median is 9.5.

• D. The median is 9.05.

Carla asked her friends to record the number of minutes it takes them to complete their homework for math. Carla's friends recorded the minutes 30, 12, 13, 45, 16, 5, and 14. Find the median number of minutes it takes for Carla's friends to complete their homework.

• 45

• 15.5

• 14

• 19.3

Carla asked her friends to record the number of minutes it takes them to complete their homework for math. Carla's friends recorded the minutes 30, 12, 13, 45, 16, 5, and 14. Find the mean number of minutes it takes for Carla's friends to complete their homework.

• 45

• 15.5

• 14

• 19.3

What are the range and IQR (Interquartile range) of this box plot?

• Range: 34; IQR: 32

• Range: 19; IQR: 14

• Range: 27; IQR: 32

• Range: 18; IQR: 32