MAD, Scatterplots/Trendlines Review 2024

What is the mean absolute deviation of the data?

Data: 112, 120, 108, 110, 104, 118

• 112

• 28

• 4.67

• 6

Which scatterplot does NOT suggest a linear relationship between x and y?

• 
• 
• 
• 

The scatterplot of a data set is shown below. Which statement best describes the trend of the data?

• As the length of a call increases, the cost increases.

• As the length of a call increases, the cost is the same.

• As the length of a call increases, the cost decreases.

• There is no relationship with cost and the length of call.

Based on the scatterplot, how much would Auto insurance cost for a 40 year old driver?

• $75

• $100

• $125

• $150

What is the mean absolute deviation of the data? 42, 40, 51, 63, 49, 61

• 44

• 51

• 7.33

• 18.88

What is the mean absolute deviation of the data? 63, 70, 68, 73, 58, 67

• 24

• 66.5

• 6

• 4

The scatterplot of a data set is shown below. Which statement is best supported by the scatterplot?

• The is a non-linear association with speed and temperature.

• The is a negative linear association with speed and temperature.

• The is a positive linear association with speed and temperature.

• The is no apparent association between speed and temperature.

The scatterplot shows the relationship between the number of hours a person works out and how many calories they burn. Based on the scatterplot, what is the best prediction of the amount of calories someone would burn if they worked out for 30 minutes?

• 60

• 75

• 90

• 120

Based on this scatterplot, if you exercised 10 hours per week, what is your resting heart rate?

• 20 bpm

• 30 bpm

• 40 bpm

• 50 bpm

The scatter plot shows the amount of hours spent studying and the errors on a multiplication test. Which of the following statements is true about the scatter plot above?

(Two answers)

• There is no association with studying and test scores.

• The more errors you make on the test the less you study.

• There no trend in the scatter plot.

• The less errors you make on the test the more you study.