bicycle safety organization claims that fatal bicycle accidents are uniformly distributed throughout the week. The table on the right shows the day of the week for which 781 randomly selected fatal bicycle accidents ccurred. At a=0.10, can you reject the claim that the distribution is uniform? Complete parts a through d below. (b) Determine the critical value, Xo, and the rejection region. Xo = (Round to three decimal places as needed.) Choose the correct rejection region below. O A. A. X² > X² OC. X² sxo (c) Calculate the test statistic. (Round to three decimal places as needed.) Day Sunday Monday Tuesday Wednesday Thursday Friday Saturday OB. X²ZX OD. X²

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
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Author:Carter
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Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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A bicycle safety organization claims that fatal bicycle accidents are uniformly distributed throughout the week.
The table on the right shows the day of the week for which 781 randomly selected fatal bicycle accidents
occurred. At α = 0.10, can you reject the claim that the distribution is uniform? Complete parts a through d
below.
(b) Determine the critical value, Xo, and the rejection region.
Xo = (Round to three decimal places as needed.)
Choose the correct rejection region below.
OA. X² > X
O c. x² sxo
C.
(c) Calculate the test statistic.
x²
(Round to three decimal places as needed.)
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
OB. X²2X
D. X²<xo
O
Day
(d) Decide whether to reject or fail to reject the null hypothesis. Then interpret the decision in the context of the original claim.
Ho. At the 10% significance level, there
Frequency, f
107
113
105
112
123
105
116
enough evidence to reject the claim that the distribution of fatal bicycle accidents thoughout the week is uniform.
Transcribed Image Text:A bicycle safety organization claims that fatal bicycle accidents are uniformly distributed throughout the week. The table on the right shows the day of the week for which 781 randomly selected fatal bicycle accidents occurred. At α = 0.10, can you reject the claim that the distribution is uniform? Complete parts a through d below. (b) Determine the critical value, Xo, and the rejection region. Xo = (Round to three decimal places as needed.) Choose the correct rejection region below. OA. X² > X O c. x² sxo C. (c) Calculate the test statistic. x² (Round to three decimal places as needed.) Sunday Monday Tuesday Wednesday Thursday Friday Saturday OB. X²2X D. X²<xo O Day (d) Decide whether to reject or fail to reject the null hypothesis. Then interpret the decision in the context of the original claim. Ho. At the 10% significance level, there Frequency, f 107 113 105 112 123 105 116 enough evidence to reject the claim that the distribution of fatal bicycle accidents thoughout the week is uniform.
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