the data:

The Questions

00 c D F G H H 1 J A pulse 1 B exercise 1 1 1 1 1 - A 8 9 10 11 1 1 1 1 1 1 1 15 16 17 20 288988888888888RERRENRRR888888 NNNNNNNNNN 2 2 2 2 24 25 26 27 2 nis 40 29 so Do 31 G2 33 34 35 36 2 2 - 2 2 2 N 2 P B D ER H - 2 68 71 70 69 83 78 80 68 62 58 84 104 66 65 2 2 2 2 2 2 88m88. 2 2 2 42 43 44 45 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 , 73 74 75 76 77 78 79 80 81 82 66 84 TE FE 65 TE 80 5 76 75 72 80 74 61 2 2 2 2 2 2 2 2 2 2 2 AS$3.8 29: 64 74 75 78 Lau Co To curis to to No: N NOT 80 66 TE 85 172 3 B C E F G H .... Tau to 1.0 u A % 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 PTT 70 85 78 88 92 71 90 74 77 64 88 78 81 84 70 92 76 80 80 83 60 80 52 6 64 119 90 86 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ) Tun Co., Lau Tuto can on a c Coutul Co Tau 118 Does exercise frequency have an association with pulse rate? 110 students in an introductory statistics course were classified into three groups according to their frequency of exercises: 1 = high frequency, 2 = moderate frequency, 3 = low frequency. Their pulse rates were measured. The data are in "pulse.csv". 3. (2 points) Use software to make a side-by-side boxplot of the three exercise frequency groups, and describe what you find. Remember to discuss whether there are outliers, the amount of overlap between the boxes, and the general trends present. 4. (2 points) Use software to find the sample size, sample mean, and sample standard deviation of each exercise frequency group. 5. (2 points) Use software to create a means plot. Discuss the results and how this compares to the side-by-side boxplot in #1. 6. (2 points) Is it reasonable to pool the variances for one-way ANOVA2 Why or why not? 7. (2 points) State your hypotheses for a one-way ANOVA test for this story 8. (2 points) Run the one way ANOVA in your preferred software, regardless of your answer to Report the Ftest statistic and the P-value. p-value 9. (2 points) What are your conclusions in terms of the pulse rate story (using a significance level of 0.05) 10. (2 points) Report the R-squared and the pooled estimate of the standard deviation. R2 = % Se 11. (2 points) Is it necessary to do the Bonferroni's multiple comparison procedure? Give your reason why or why not. 00 c D F G H H 1 J A pulse 1 B exercise 1 1 1 1 1 - A 8 9 10 11 1 1 1 1 1 1 1 15 16 17 20 288988888888888RERRENRRR888888 NNNNNNNNNN 2 2 2 2 24 25 26 27 2 nis 40 29 so Do 31 G2 33 34 35 36 2 2 - 2 2 2 N 2 P B D ER H - 2 68 71 70 69 83 78 80 68 62 58 84 104 66 65 2 2 2 2 2 2 88m88. 2 2 2 42 43 44 45 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 , 73 74 75 76 77 78 79 80 81 82 66 84 TE FE 65 TE 80 5 76 75 72 80 74 61 2 2 2 2 2 2 2 2 2 2 2 AS$3.8 29: 64 74 75 78 Lau Co To curis to to No: N NOT 80 66 TE 85 172 3 B C E F G H .... Tau to 1.0 u A % 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 PTT 70 85 78 88 92 71 90 74 77 64 88 78 81 84 70 92 76 80 80 83 60 80 52 6 64 119 90 86 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ) Tun Co., Lau Tuto can on a c Coutul Co Tau 118 Does exercise frequency have an association with pulse rate? 110 students in an introductory statistics course were classified into three groups according to their frequency of exercises: 1 = high frequency, 2 = moderate frequency, 3 = low frequency. Their pulse rates were measured. The data are in "pulse.csv". 3. (2 points) Use software to make a side-by-side boxplot of the three exercise frequency groups, and describe what you find. Remember to discuss whether there are outliers, the amount of overlap between the boxes, and the general trends present. 4. (2 points) Use software to find the sample size, sample mean, and sample standard deviation of each exercise frequency group. 5. (2 points) Use software to create a means plot. Discuss the results and how this compares to the side-by-side boxplot in #1. 6. (2 points) Is it reasonable to pool the variances for one-way ANOVA2 Why or why not? 7. (2 points) State your hypotheses for a one-way ANOVA test for this story 8. (2 points) Run the one way ANOVA in your preferred software, regardless of your answer to Report the Ftest statistic and the P-value. p-value 9. (2 points) What are your conclusions in terms of the pulse rate story (using a significance level of 0.05) 10. (2 points) Report the R-squared and the pooled estimate of the standard deviation. R2 = % Se 11. (2 points) Is it necessary to do the Bonferroni's multiple comparison procedure? Give your reason why or why not