Part 1 Fill in the missing values in the contingency table. Round your expected frequencies to two or more decimal places, and (fo-√E)² round your JE values to three or more decimal places. Send data to Excel Laboratory performance Involved in no incident Involved in exactly one incident Involved in Total 2+ incidents 43 20 13 Took the techniques course Status DO ☐ 15.58 76 0.427 regarding lab 55 41 28 techniques course Didn't take the ☐ П 25.42 124 techniques course ☐ ☐ 0.262 Total 98 61 41 200 Part 2 Answer the following to summarize the test of the hypothesis that there is no relationship between students' laboratory performances and whether or not they took the techniques course. For your test, use the 0.10 level of significance. (a) Determine the type of test statistic to use. Type of test statistic: (Choose one) (b) Find the value of the test statistic. (Round to two or more decimal places.) ☐ (c) Find the critical value for a test at the 0.10 level of significance. (Round to two or more decimal places.) ☐ (d) Can Mandrake conclude that there is a relationship between students' laboratory performances and whether or not they took the techniques course? Use the 0.10 level of significance. 。 Yes 。 No × G
Part 1 Fill in the missing values in the contingency table. Round your expected frequencies to two or more decimal places, and (fo-√E)² round your JE values to three or more decimal places. Send data to Excel Laboratory performance Involved in no incident Involved in exactly one incident Involved in Total 2+ incidents 43 20 13 Took the techniques course Status DO ☐ 15.58 76 0.427 regarding lab 55 41 28 techniques course Didn't take the ☐ П 25.42 124 techniques course ☐ ☐ 0.262 Total 98 61 41 200 Part 2 Answer the following to summarize the test of the hypothesis that there is no relationship between students' laboratory performances and whether or not they took the techniques course. For your test, use the 0.10 level of significance. (a) Determine the type of test statistic to use. Type of test statistic: (Choose one) (b) Find the value of the test statistic. (Round to two or more decimal places.) ☐ (c) Find the critical value for a test at the 0.10 level of significance. (Round to two or more decimal places.) ☐ (d) Can Mandrake conclude that there is a relationship between students' laboratory performances and whether or not they took the techniques course? Use the 0.10 level of significance. 。 Yes 。 No × G
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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Transcribed Image Text:Part 1
Fill in the missing values in the contingency table. Round your expected frequencies to two or more decimal places, and
(fo-√E)²
round your
JE
values to three or more decimal places.
Send data to Excel
Laboratory performance
Involved in
no incident
Involved in
exactly one
incident
Involved in
Total
2+ incidents
43
20
13
Took the
techniques course
Status
DO
☐
15.58
76
0.427
regarding lab
55
41
28
techniques
course
Didn't take the
☐
П
25.42
124
techniques course
☐
☐
0.262
Total
98
61
41
200
Part 2
Answer the following to summarize the test of the hypothesis that there is no relationship between students' laboratory
performances and whether or not they took the techniques course. For your test, use the 0.10 level of significance.
(a) Determine the type of test
statistic to use.
Type of test statistic:
(Choose one)
(b) Find the value of the test statistic. (Round to two or more decimal places.)
☐
(c) Find the critical value for a test at the 0.10 level of significance. (Round to two or more
decimal places.)
☐
(d) Can Mandrake conclude that there is a relationship between students' laboratory
performances and whether or not they took the techniques course? Use the 0.10 level of
significance.
。 Yes 。 No
×
G
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