A new SAT study course is tested on 12 individuals. Pre-course and post-course scores are recorded. The following data is collected: Pre-course score Post-course score 1200 1300 960 920 1010 1100 840 880 1100 1070 1250 1320 860 860 1330 1370 790 770 990 1040 1110 1200 740 850 a) State the null and alternative hypotheses in terms of the appropriate parameter to test the claim that the study course improves students' SAT scores. (Use diff = post - pre.) Ho: P1-Pz points Ha: P - Pz points b) The level of significance is a = c) The test statistic is ? (If necessary, round your answer to the nearest hundredth.)

A new SAT study course is tested on 12 individuals. Pre-course and post-course scores are recorded. The following data is collected: Pre-course score Post-course score 1200 1300 960 920 1010 1100 840 880 1100 1070 1250 1320 860 860 1330 1370 790 770 990 1040 1110 1200 740 850 a) State the null and alternative hypotheses in terms of the appropriate parameter to test the claim that the study course improves students' SAT scores. (Use diff = post - pre.) Ho: P1-Pz points Ha: P - Pz points b) The level of significance is a = c) The test statistic is ? (If necessary, round your answer to the nearest hundredth.)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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Question

Can you please help me with this problem? I am behind in statistics and I'm not sure how to do these parts. My teacher has us learning Rstudio which is a whole coding calculator which is getting in the way of us learning the actual statistics but of course, he gives us homework like this. Please help Thank you in advance for your help.

A new SAT study course is tested on 12 individuals. Pre-course and post-course scores are recorded. The
following data is collected:
Pre-course score
Post-course score
1200
1300
960
920
1010
1100
840
880
1100
1070
1250
1320
860
860
1330
1370
790
770
990
1040
1110
1200
740
850
a) State the null and alternative hypotheses in terms of the appropriate parameter to test the claim that
the study course improves students' SAT scores. (Use diff = post - pre.)
Ho: H1 - H2
points
= V
Ha: H1 - H2
points
b) The level of significance is a =
c) The test statistic is ? v
(If necessary, round your answer to the nearest hundredth.)
=

Expert Solution

Step 1

Given :

Data

Pre score	Post score
1200	1300
960	920
1010	1100
840	880
1100	1070
1250	1320
860	860
1330	1370
790	770
990	1040
1110	1200
740	850

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