Randomly selected deaths from car crashes were obtained, and the results are included in the table below. Use a 0.05 significance level to test the claim that car crash fatalities occur with equal frequency on the different days of the week. Day Sun Mon Tues Wed Thurs Fri Sat Number of fatalities 132 98 95 93 105 133 147 a. State Upper H 0 . A. p Subscript Sun Baseline equals p Subscript Mon Baseline equals p Subscript Tue Baseline equals p Subscript Wed Baseline equals p Subscript Thur Baseline equals p Subscript Fri Baseline equals p Subscript Sat Baseline equals 1 divided by 2 B. p Subscript Sun Baseline equals p Subscript Mon Baseline equals p Subscript Tue Baseline equals p Subscript Wed Baseline equals p Subscript Thur Baseline equals p Subscript Fri Baseline equals p Subscript Sat Baseline equals 1 divided by 7 C. p Subscript Sun Baseline equals 0.1 comma p Subscript Mon Baseline equals 0.2 comma p Subscript Tue Baseline equals 0.3 comma p Subscript Wed Baseline equals 0.4 comma p Subscript Thur Baseline equals p Subscript Fri Baseline equals p Subscript Sat Baseline equals 0.5 b. Find the sum of the observed frequencies: nothing (enter a whole number) c. Calculate the expected frequency for each day: nothing (give 2 decimal places) d. Calculate the test statistic. Which of these options is closest to its value? A. chi squared equals 15.00 B. chi squared equals 25.36 C. chi squared equals 27.84 D. chi squared equals 22.30 e. State the value of the critical value: nothing (give 3 decimal places) f. State the technical conclusion. A. Reject Upper H 0 B. Do not reject Upper H 0 g. State the final conclusion. A. The sample data support the claim. B. There is not sufficient sample evidence to support the claim. C. There is not sufficient evidence to warrant rejection of the claim. D. There is sufficient evidence to warrant rejection of the claim

Randomly selected deaths from car crashes were obtained, and the results are included in the table below. Use a 0.05 significance level to test the claim that car crash fatalities occur with equal frequency on the different days of the week. Day Sun Mon Tues Wed Thurs Fri Sat Number of fatalities 132 98 95 93 105 133 147 a. State Upper H 0 . A. p Subscript Sun Baseline equals p Subscript Mon Baseline equals p Subscript Tue Baseline equals p Subscript Wed Baseline equals p Subscript Thur Baseline equals p Subscript Fri Baseline equals p Subscript Sat Baseline equals 1 divided by 2 B. p Subscript Sun Baseline equals p Subscript Mon Baseline equals p Subscript Tue Baseline equals p Subscript Wed Baseline equals p Subscript Thur Baseline equals p Subscript Fri Baseline equals p Subscript Sat Baseline equals 1 divided by 7 C. p Subscript Sun Baseline equals 0.1 comma p Subscript Mon Baseline equals 0.2 comma p Subscript Tue Baseline equals 0.3 comma p Subscript Wed Baseline equals 0.4 comma p Subscript Thur Baseline equals p Subscript Fri Baseline equals p Subscript Sat Baseline equals 0.5 b. Find the sum of the observed frequencies: nothing (enter a whole number) c. Calculate the expected frequency for each day: nothing (give 2 decimal places) d. Calculate the test statistic. Which of these options is closest to its value? A. chi squared equals 15.00 B. chi squared equals 25.36 C. chi squared equals 27.84 D. chi squared equals 22.30 e. State the value of the critical value: nothing (give 3 decimal places) f. State the technical conclusion. A. Reject Upper H 0 B. Do not reject Upper H 0 g. State the final conclusion. A. The sample data support the claim. B. There is not sufficient sample evidence to support the claim. C. There is not sufficient evidence to warrant rejection of the claim. D. There is sufficient evidence to warrant rejection of the claim

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Day Sun Mon Tues Wed Thurs Fri Sat

Number of fatalities 132 98 95

105 133 147

a. State

Upper H 0

p Subscript Sun Baseline equals p Subscript Mon Baseline equals p Subscript Tue Baseline equals p Subscript Wed Baseline equals p Subscript Thur Baseline equals p Subscript Fri Baseline equals p Subscript Sat Baseline equals 1 divided by 2

p Subscript Sun Baseline equals 0.1 comma p Subscript Mon Baseline equals 0.2 comma p Subscript Tue Baseline equals 0.3 comma p Subscript Wed Baseline equals 0.4 comma p Subscript Thur Baseline equals p Subscript Fri Baseline equals p Subscript Sat Baseline equals 0.5

b. Find the sum of the observed frequencies:

nothing

(enter a whole number)

c. Calculate the expected frequency for each day:

nothing

(give 2 decimal places)

d. Calculate the test statistic. Which of these options is closest to its value?

chi squared equals

15.00

chi squared equals

25.36

chi squared equals

27.84

chi squared equals

22.30

e. State the value of the critical value:

nothing

(give 3 decimal places)

f. State the technical conclusion.

Reject Upper H 0

Do not reject Upper H 0

g. State the final conclusion.

The sample data support the claim.

There is not sufficient sample evidence to support the claim.

There is not sufficient evidence to warrant rejection of the claim.

There is sufficient evidence to warrant rejection of the claim

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