uestion 3 (15 points) The table shows the costs per mile (in cents) for a sample...
3. The table to the right shows the cost per ounce (in dollars) for a random sample of toothpastes exhibiting very good stain removal, goad stain removal, and fair stain removal. At α= 0.01, can you conclude that the mean costs per ounce are different? Perform a one-way ANOVA test by completing parts a through d. Assume that each sample is drawn from a normal population, that the samples are independent of each other, and that the populations have the...
Use the pulse rates in beats per minute (bpm) of a random sample of adult females listed in the data set available below to test the claim that the mean is less than 74 bpm. Use a 0.01 significance level. Pulse Rate (bpm) 60 87 93 92 95 62 92 93 71 67 35 84 54 68 74 36 72 67 100 61 52 42 58 104 67 102 83 95 73 76 38 42 55 85 38 99 84...
The number of calls received per week by the clients services of a cell phone company over the last 40 weeks are given as follows: 63 74 42 65 51 54 36 56 68 57 62 64 76 67 79 61 81 77 59 38 84 68 71 94 71 86 69 75 91 55 48 82 83 54 79 62 68 58 41 47 a) Prepare a frequency distribution (table) and histogram for the data. Specify the number of...
Problem 4 (10 marks) The number of calls received per week by the clients services of a cell phone company over the last 40 weeks are given as follows: 63 74 42 65 51 54 36 56 68 57 62 64 76 67 79 61 81 77 59 38 84 68 71 94 71 86 69 75 91 55 48 82 83 54 79 62 68 58 41 47 a) Prepare a frequency distribution (table) and histogram for the data....
81 59 Problem 4 (10 marks) The number of calls received per week by the clients services of a cell phone company over the last 40 weeks are given as follows: 63 74 42 65 51 54 36 56 68 57 62 64 76 67 79 61 77 38 84 68 71 94 71 86 69 75 91 55 48 82 83 54 79 62 68 58 41 47 a) Prepare a frequency distribution (table) and histogram for the data....
63 56 68 Problem 4 (10 marks) The number of calls received per week by the clients services of a cell phone company over the last 40 weeks are given as follows: 74 42 65 51 54 36 57 62 64 76 67 79 61 81 77 59 38 84 71 94 86 69 75 91 55 82 79 68 58 41 47 a) Prepare a frequency distribution (table) and histogram for the data. Specify the number of bins, the...
81 Problem 4 (10 marks) The number of calls received per week by the clients services of a cell phone company over the last 40 weeks are given as follows: 63 74 42 65 51 54 36 56 68 57 62 64 76 67 79 61 77 59 38 84 68 71 71 86 69 75 91 55 48 82 83 54 79 62 68 58 41 a) Prepare a frequency distribution (table) and histogram for the data. Specify the...
Problem 4: Variables that may affect Grades The data set contains a random sample of STAT 250 Final Exam Scores out of 80 points. For each individual sampled, the time (in hours per week) that the student spent participating in a GMU club or sport and working for pay outside of GMU was recorded. Values of 0 indicate the students either does not participate in a club or sport or does not work a job for pay. The goal of...
Use the pulse rates in beats per minute (bpm) of a random sample of adult females listed in the data set available below to test the claim that the mean is less than 82 bpm. Use a 0.05 significance level. Pulse Rate (bpm) 96 56 99 95 91 81 61 47 100 78 81 67 76 47 74 57 75 102 66 70 86 47 88 52 44 61 80 91 57 90 73 77 105 105 42 63 93...
A healthcare consultant wants to compare the patient satisfaction ratings of two hospitals. The ratings of both hospitals are included in the data table. The consultant wishes to determine whether there is a difference in the patient ratings between the hospitals. Use a 0.05 level of significance to test the claim that the ratings of the two hospitals are the same. a) Identify the claim and counterclaim. Then identify the null hypothesis and alternative hypothesis, and express both in symbolic...