University officials hope that changes they have made have improved the retention rate. Last year, a sample of 2088 freshmen showed that 1580 returned as sophomores. This year, 1524 of 1941 freshmen sampled returned as sophomores. Determine if there is sufficient evidence at the 0.05 level to say that the retention rate has improved. Let last year's freshmen be Population 1 and let this year's freshmen be Population 2. Step 1 of 3: State the null and alternative hypotheses for the test. Fill in the blank below. Answer esc 1 Ⓒ2022 Hawkes Learning A 1 < Z W S Q 3 E S 4 #268; 5 R F V T Ho P1 P2 = 0 H₁ :P₁-P2___ 0 G 0 # B 0 < O > Correct Y H U N 8 9 IK < 0 L 4 Tables P Keypad Keyboard Shortcuts Submit Answer EA O CD 4
University officials hope that changes they have made have improved the retention rate. Last year, a sample of 2088 freshmen showed that 1580 returned as sophomores. This year, 1524 of 1941 freshmen sampled returned as sophomores. Determine if there is sufficient evidence at the 0.05 level to say that the retention rate has improved. Let last year's freshmen be Population 1 and let this year's freshmen be Population 2. Step 1 of 3: State the null and alternative hypotheses for the test. Fill in the blank below. Answer esc 1 Ⓒ2022 Hawkes Learning A 1 < Z W S Q 3 E S 4 #268; 5 R F V T Ho P1 P2 = 0 H₁ :P₁-P2___ 0 G 0 # B 0 < O > Correct Y H U N 8 9 IK < 0 L 4 Tables P Keypad Keyboard Shortcuts Submit Answer EA O CD 4
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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Question
Additionally what is the test statistic? Based on the decision rule do we fail to reject or reject null hypothesis regarding whether there is sufficient or insufficient evidence?
Transcribed Image Text:University officials hope that changes they have made have improved the retention rate. Last year, a sample of 2088 freshmen showed that 1580 returned as
sophomores. This year, 1524 of 1941 freshmen sampled returned as sophomores. Determine if there is sufficient evidence at the 0.05 level to say that the retention rate
has improved. Let last year's freshmen be Population 1 and let this year's freshmen be Population 2.
Step 1 of 3: State the null and alternative hypotheses for the test. Fill in the blank below.
Answer
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1
Ⓒ2022 Hawkes Learning
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2
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#
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3
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O >
Correct
Y
H
U
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8
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9
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0
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4
Tables
P
Keypad
Keyboard Shortcuts
Submit Answer
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