Nic wants to know if students' grades in Quantitative Statistical Analysis I are influenced by class...

Transcribed Image Text:

Nic wants to know if students' grades in Quantitative Statistical Analysis I are influenced by class attendance and/or students' grade level. Thus, Nic recorded the statistics grades for each student (traditional 0 to 100%) and put them in the table below. Grade Level Freshman Sophomore Junior Senior X X X X2 X X2 XX2 Class Attenda nce Good 75 69 69 71 99 83 74 97 93 92 89 74 80 87 88 73 79 95 96 72 83 X Poor (missed more than 6 classes) 99 81 73 79 70 70 72 43 82 71 71 70 64 59 71 74 71 68 68 65 X a. State in words the null and alternative hypotheses. b. Based on the above information, would you reject H., or fail to reject it? Why? What would your conclusions be? Note. You may answer this question in any format that you wish (Hand calculation, SPSS, or PSPP). Just make sure to show your complete work for the method you choose! Nic wants to know if students' grades in Quantitative Statistical Analysis I are influenced by class attendance and/or students' grade level. Thus, Nic recorded the statistics grades for each student (traditional 0 to 100%) and put them in the table below. Grade Level Freshman Sophomore Junior Senior X X X X2 X X2 XX2 Class Attenda nce Good 75 69 69 71 99 83 74 97 93 92 89 74 80 87 88 73 79 95 96 72 83 X Poor (missed more than 6 classes) 99 81 73 79 70 70 72 43 82 71 71 70 64 59 71 74 71 68 68 65 X a. State in words the null and alternative hypotheses. b. Based on the above information, would you reject H., or fail to reject it? Why? What would your conclusions be? Note. You may answer this question in any format that you wish (Hand calculation, SPSS, or PSPP). Just make sure to show your complete work for the method you choose!