a. What is the x² test-statistic for this data? Round to four decimal places. x²: = b. What is the p-value? Round to four decimal places. p-value =

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 13PPS
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Question
n studying the responses to questions on a multiple-
choice test, the following sample data are obtained. At
he a = 0.05 significance level, test the claim that
the responses occur with the same frequency.
Ho The responses to the questions occur with the
same frequency.
H₁ The responses to the questions do not occur with
he same frequency.
Response
A
B
C
D
E
Observed
Frequency
25
18
12
24
21
Expected
Frequency
20
20
20
20
20
OF
8
00
४
0°
00
>
(O – E)²
E
1.25
0.2
3.2
0.8
0.05
OT
00
४
b. What is the p-value? Round to four decimal
places.
p-value =
४
OF
४
a. What is the x² test-statistic for this data? Round
to four decimal places.
x² =
Transcribed Image Text:n studying the responses to questions on a multiple- choice test, the following sample data are obtained. At he a = 0.05 significance level, test the claim that the responses occur with the same frequency. Ho The responses to the questions occur with the same frequency. H₁ The responses to the questions do not occur with he same frequency. Response A B C D E Observed Frequency 25 18 12 24 21 Expected Frequency 20 20 20 20 20 OF 8 00 ४ 0° 00 > (O – E)² E 1.25 0.2 3.2 0.8 0.05 OT 00 ४ b. What is the p-value? Round to four decimal places. p-value = ४ OF ४ a. What is the x² test-statistic for this data? Round to four decimal places. x² =
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