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Chapter 1: Q. 5`1. (page 48)

Feeling sleepy? Refer to Exercise 45. Describe the shape of the distribution.

Short Answer

Expert verified

Roughly symmetric

Single peak

No gaps

Step by step solution

01

Step 1. Given information

A survey designed by their teacher was completed by students in a high school statistics class.

02

 Step 2.make a number line for each piece of data Put a dot on the number line above the corresponding number.

03

 Step 3. The shape of the distribution.  

The peak in the dotplot is roughly in the middle of the graph, indicating that the distribution is roughly symmetric.

We notice that the distribution has a single peak at 7, and there appear to be no gaps in the dotplot.

Roughly symmetric

Single peak

No gaps

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Most popular questions from this chapter

Healthy cereal? Researchers collected data on calories per serving for 77 brands of breakfast cereal. The histogram displays the data.

Part (a). Describe the overall shape of the distribution of calories.

Part (b). What is the approximate center of this distribution?

Part (c). Explain why you cannot find the exact value for the maximum number of calories per serving for these cereal brands. Between what two values does it lie?

Part (d). About what percent of the cereal brands have 130 or more calories per serving?

Easy reading? Refer to Exercise 46. Describe the shape of the distribution.

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(a) Find the median pulse rate for all 19 students.

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(a) What percent of eggs were randomly assigned to hot water?

(b) What proportion of eggs in the study hatched?

(c) What percent of eggs in the study were randomly assigned to cold or neutral water and hatched?
See all solutions

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