determine p value and its meaning please
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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determine p value and its meaning please
Transcribed Image Text:The time required to start a business, defined as the number of days needed to complete the procedures to legally operate a business, in 20 developed countries and 20 emerging countries is included in the accompanying table. Complete parts
(a) through (d) below.
a. Assuming that the population variances for developed countries and emerging countries are equal, is there evidence of a difference in the mean time required to start a business between developed countries and emerging countries? (Use
a = 0.05.)
Let u, be the mean time required to start a business in developed countries and let uz be the mean time required to start a business in emerging countries. What are the null and alternative hypotheses?
O A. Ho: H1 + 2
H1: H1 = H2
O B. Ho: 41 SH2
H1: H1 > H2
c. Họ: H1 = H2
O D. Ho: H12H2
What is the test statistic?
Number of days to start a business
TSTAT = 1.75 (Round to two decimal places as needed.)
What is/are the critical value(s)? Select the correct choice below and fill in the answer box within your choice.
(Round to two decimal places as needed.)
Developed Countries (days)
Emerging Countries (days)
25
30
3
29
A. ta/2 = + 2.02
115
10
22
15
7
17
6
17
O B. t=
33
19
14
8
29
12
7
What is the correct conclusion?
11
7
22
29
10
14
16
O A. Reject Ho. There is insufficient evidence of a difference in mean time required to start a business.
26
7
7
7
16
21
O B. Do not reject Ho. There is sufficient evidence of a difference in mean time required to start a business.
8
24
3
10
O C. Reject Ho. There is sufficient evidence of a difference in mean time required to start a business.
D. Do not reject Ho. There is insufficient evidence of a difference in mean time required to start a business.
O
Print
Done
b. Determine the p-value in (a) and interpret its meaning.
nvaluo = TIRound to throo derimal nlaras ae noordad
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