A researcher wanted to determine whether certain accidents were uniformly distributed over the days of the week. The data show the day of the week for n= 300 randomly selected accidents. Is there reason to believe that the accident occurs with equal frequency with espect to the day of the week at the a = 0.05 level of significance? E Click the icon to view the table. Let p = the proportion of accidents on day i, where i = 1 for Sunday, i= 2 for Monday, etc. What are the null and alternative hypotheses? H,: At least one proportion is different from the others. O B. Ho At least one proportion is different from the others. H, P, "P2="P, = H,: More accidents occur earlier in the week than later. O D. H,: More accidents occur later in the week than earlier. Comoute the expected counts for dav of the week.

A researcher wanted to determine whether certain accidents were uniformly distributed over the days of the week. The data show the day of the week for n= 300 randomly selected accidents. Is there reason to believe that the accident occurs with equal frequency with espect to the day of the week at the a = 0.05 level of significance? E Click the icon to view the table. Let p = the proportion of accidents on day i, where i = 1 for Sunday, i= 2 for Monday, etc. What are the null and alternative hypotheses? H,: At least one proportion is different from the others. O B. Ho At least one proportion is different from the others. H, P, "P2="P, = H,: More accidents occur earlier in the week than later. O D. H,: More accidents occur later in the week than earlier. Comoute the expected counts for dav of the week.

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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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

A researcher wanted to determine whether certain accidents were uniformly distributed over the days of the week. The data show the day of the week for n = 300 randomly selected accidents. Is there reason to believe that the accident occurs with equal frequency with
respect to the day of the week at the a = 0.05 level of significance?
E Click the icon to view the table.
Let p; = the proportion of accidents on day i, where i = 1 for Sunday, i = 2 for Monday, etc. What are the null and alternative hypotheses?
'A.
Ho: P1 = P2 =... =P7 =7
H,: At least one proportion is different from the others.
O B. H: At least one proportion is different from the others.
H;: P1 = P2 =. = P7 =
OC.
1
Ho: P, = P2 =.. = P, =
H,: More accidents occur earlier in the week than later.
OD.
Họ P, = P2 =. = P7 =
H.: More accidents occur later in the week than earlier.
Compute the eXpected counts for dav of the week.

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