Question

DV INTRODUCTORY STATSTICS STATS 101 One Way Iadependent ANOVA Download the SPSS Ne "Grades" trom CANVAS 1 Tes·the hypettesn ha' 'hers is athrence "on, sre year sophomore-, and stale your mud and shenaive btheses, and the ajha level Type of ANOVA: Step 1 Ho Step 3 2 Test the hypothesis that the three class sectigns (section) dfeed in thow Type of ANOVA Step 1 He Step 2: Tell me what you want to d Review View Help DVMO Label ACROBAT Intense Re.. Intense E. Inter se . Heading 5 Heading 4 Heading 3 Heading 2 Heading 1 I Book Title Emphasis |仨.: 2.-. Paragraph Mean Sd. Deviation $1d Emor Low Bound upper Bound inimumMacimum 827 10 9.73 359 9 00 2062 10 8 .30 6.94 39 762 10 8.51 2549 448 6.70 10 8 05 2310 105 Total ANOVA Sum of Squares Sig drMean Square 015 21 8264356 Between Groups 43 652 5 011 11 110 554 762 102 104 Within Groups Total Multiple Comparisons Dapendent Variable quiz3 Tukey HSD 95% condence interval Dference 0- Sd Error Sg Lower Bound Upper Bound (T) section section 2 64 385 1394 034 2.70 551 13 028 26 1.305 529 1 1.27 1.000 1 25 034 2.70 -1.394 551 1.000 1 27 " The mean omerence is s gnicant at the 0 05 level df values Are post hoc tests needed? (Circle one: Yes/No Based on the SPSS output, state the conclusion you reached. Speciically, Indicate (1) whether you reject or did not reject the nuil hypothesis and (2)nite up the results using the format ycu see on the board (make sure to inclade the resuts of the pest hoc tests only if needed). Download the SPSS file "Grades from CANVAS 1. Test the hypothesis that there is a difference among first-year, sophomore, junior, and senior students (variable - year) in the total number of points they earned in the class (total). Before doing this, indicate what type of ANOVA you will perform (i.e., Independent or Dependent), state your null and alternative hypotheses, and the alpha Step 2: a- Step 3: df values Are post-hoc tests needed? (Pick One): Yes Based on the SPSS output, state the conclusion you reached. Specifically, indicate (1) whether you reject or did not reject the null hypothesis and (2) write up the results using the format you see on the board (make sure to include the results of the post-hoc tests only if needed). Test the hypothesis that the three class sections (section) differed in their performance on Quiz #3 (quiz3). Before doing this, indicate what type of ANOVA you will perform (i.e., Independent or Dependent) state your null and alternative hypotheses, and the alpha level Type of ANOVA: Step 1: H: Step 2: a Step 3: df values Are post-hoc tests needed? (Circle one): Yes/No Based on the SPSS output, state the conclusion you reached. Specifically, indicate (1) whether you reject or did not reject the null hypothesis and (2) write up the results using the format you see on the board (make sure to include the results of the post-hoc tests only if needed). INTRODUCTORY STATSTICS STATS 101 One-Way Independent ANOVA Name: Download the SPSS file "Grades" from CANVAS. Test the hypothesis that there is a difference among first-year, sophomore, junior, and senior 1. students (variable year) in the total number of points they earned in the class (total). Before doing this, indicate what type of ANOVA you will perform (i.e., Independent or Dependent), state your null and alternative hypotheses, and the alpha level Type of ANOVA: Step 1: H: Ho: Step 2: α = Step 3: Descriptives Total points in class (max 125) 95% confidence interval for Mean Std. Deviation Std. Error Lower Bound Upper Bound Minimum Maximum 8.185 FIRST-YEAR 3 95.00 59.78 130.22 84 14.177 14.985 15.9631.995 14.288 3.278 75 9 100.26 3.438 107.49 SOPHOMORE 93.04 105.33 51 97.36 JUNIOR 64 101.34 65 121 106.04 92.27 99.16 SENIOR 103.53 51 Total 1.493 97.61 15.299 105 100.57 ANOVA Total points in class (max 125) Sum of Squares Si df Mean SquareF 869 238 57.022 Between Groups 171.066 239.333 Within Groups 101 24172.648 24343.714 Total 104 Mutiple Comparisons Dapendent Variable: Total points in class (max 125) Tukey HSD Mean 95% Confidence Interval Diference0 YEAR IN SCHOOL-WYEARN SCHOOL Std. Error Sig Lower Bound Upper Bound SOPHOMORE FIRST-YEAR 5.263 9.61 947 30 37 19.84 JUNIOR -6.344 9139 899 -3022 17.53 20.95 SENIOR 4.158 9.611 5263 9.611 29.27 FIRST-YEAR -19.84 947 30 37 JUNIOR 1.081 4.042 1.105 6.344 993 948 -11.64 SENIOR 5.019 9.139 995 -1201 FIRST-YEAR JUNIOR 30.22 17.53 SOPHOMORE 10814.042 1.64 993 -9.48 SENIOR 2.186 4.042 8.37 12.74 SENIOR FIRST-YEAR 4.158 9.811 1.105 501999 20 95 973 29.27 SOPHOMORE 12.01 14 22 JUNIOR 8.37 2186 4 042 949 df values= Significance Are post-hoc tests needed? (Pick One): Yes Based on the SPSS output, state the conclusion you reached. Specifically, indicate (1) whether you reject or did not reject the null hypothesis and (2) write up the results using the format you see on the board (make sure to include the results of the post-hoc tests only if needed). 2. Test the hypothesis that the three class sections (section) differed in their performance on Quiz #3 (quix3). Before doing this, indicate what type of ANOVA you will perform (Le, Independent or Dependent) state State your nul and alternative hypotheses, and the alpha level. Type of ANOVA:-- Step 1: H: Step 2: a Step 3:

Answer 1

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