SHAPE CENTER AND SPREAD WORKSHEET

Problem 1 : 

Use the dot plot shown below to answer the questions 1 to 5.  

Questions : 

1. What is the least temperature? Greatest temperature?

2. Are there any gaps in the data? If so, where?

3. What temperature would be considered an outlier?

4. Is the data symmetric or spread out to one side?

5. Writing to Explain. Where do you think the center of the data is in the dot plot? Explain how you found your answer.

Problem 2 : 

Use the dot plot shown below to answer the questions 6 to 9.

Maria took a school survey to find out how many hours per week students watch television. Her results are in the dot plot below.

Questions : 

6. Where are there groupings of data?

7. Is the data symmetric or is it spread out to one side?

8. Give the least and greatest values in the data.

9. Writing to Explain. Using the dot plot for the hours students spend watching TV, where do you think the center of the data is?

Problem 3 : 

Use the dot plot shown below to answer the questions 10 and 11.

Questions : 

10. Which is the best representation of the center of this data set?

(a) 2

(b) 3

(c)4

(d) 5

11. Which best describes this data set?

(a) Spread out to the left

(b) No noticeable shape

(c) Spread out to the right

(d) Symmetric

Answer Key

1.  30°F; 40°F

2.  Yes; Between 35°F and 40°F

3.  40°F

4.  The data is spread out to the right.

5.  The center of the data is about 31°F. Most of the data is grouped on the left side of the distribution.

6.  From 3–5 hours and from 11–16 hours.

7.  The data is spread out more to the right than to the left.

8.  Least: 3; Greatest: 20

9.  The center is about 7 hours. More data is on the left so the center is closer to that side.

10.  (a) 2

11.  (c) Spread out to the right

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