Chapter 8: Q.54 (page 498)

Plant managers are concerned that the number of accidents may be significantly higher during the midnight to $8 : 00 a . m$ . shift than during the $4 : 00 p . m .$ to midnight shift. What would you tell them? Give appropriate statistical evidence to support your conclusion.

Short Answer

Expert verified

The peak of number of accidents is higher at $8 : 00$ a.m. than the $4 : 00$ p.m. So, it indicates that claim is absolutely correct.

Step by step solution

Given information

Given in the question that, Plant managers are concerned that the number of accidents may be significantly higher during the midnight to $8 : 00$ a.m. shift than during the $4 : 00$ p.m. to midnight shift.

Explanation

The data set is

Hour	Number of accidents
$1$	$5$
$2$	$8$
$3$	$17$
$4$	$31$
$5$	$24$
$6$	$18$
$7$	$12$
$8$	$7$
$9$	$1$
$10$	$0$
$11$	$2$
$12$	$14$
$13$	$21$
$14$	$12$
$15$	$10$
$16$	$1$
$17$	$0$
$18$	$1$
$19$	$3$
$20$	$21$
$21$	$23$
$22$	$18$
$23$	$11$
$24$	$2$

Graph

The figure could be constructed as:

From the above plot,We can find that the peak of number of accidents is higher at $8 : 00$ a.m. than the $4 : 00$ p.m. So, it indicates that claim is absolutely correct.

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Plant managers are concerned that the number of accidents may be significantly higher during the midnight to $8 : 00 a . m$ . shift than during the $4 : 00 p . m .$ to midnight shift. What would you tell them? Give appropriate statistical evidence to support your conclusion.

Short Answer

Step by step solution

Given information

Explanation

Graph

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Plant managers are concerned that the number of accidents may be significantly higher during the midnight to8:00a.m. shift than during the 4:00p.m. to midnight shift. What would you tell them? Give appropriate statistical evidence to support your conclusion.

Short Answer

Step by step solution

Given information

Explanation

Graph

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Logic and Functions

Mechanics Maths

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Probability and Statistics

Study anywhere. Anytime. Across all devices.

Plant managers are concerned that the number of accidents may be significantly higher during the midnight to $8 : 00 a . m$ . shift than during the $4 : 00 p . m .$ to midnight shift. What would you tell them? Give appropriate statistical evidence to support your conclusion.