Use this set of 40 exam scores as the POPULATION for this activity: (put them into...
Use this set of 40 exam scores as the POPULATION for this activity:
(put them into List 1 in your calculator)
67
90
74
66
76
79
77
53
86
86
68
81
72
57
79
78
50
66
77
66
81
79
80
73
71
56
81
86
62
69
81
78
77
80
88
62
67
62
74
94
Use this set of 40 exam scores as the POPULATION for this activity:
(put them into List 1 in your calculator)
67
90
74
66
76
79
77
53
86
86
68
81
72
57
79
78
50
66
77
66
81
79
80
73
71
56
81
86
62
69
81
78
77
80
88
62
67
62
74
94
Use this set of 40 exam scores as the POPULATION for this activity:
(put them into List 1 in your calculator)
67
90
74
66
76
79
77
53
86
86
68
81
72
57
79
78
50
66
77
66
81
79
80
73
71
56
81
86
62
69
81
78
77
80
88
62
67
62
74
94
Use this set of 40 exam scores as the POPULATION for this activity:
(put them into List 1 in your calculator)
67
90
74
66
76
79
77
53
86
86
68
81
72
57
79
78
50
66
77
66
81
79
80
73
71
56
81
86
62
69
81
78
77
80
88
62
67
62
74
94
Use this set of 40 exam scores as the POPULATION for this activity:
(put them into List 1 in your calculator)
67
90
74
66
76
79
77
53
86
86
68
81
72
57
79
78
50
66
77
66
81
79
80
73
71
56
81
86
62
69
81
78
77
80
88
62
67
62
74
94
Use this set of 40 exam scores as the POPULATION for this activity:
(put them into List 1 in your calculator)
67
90
74
66
76
79
77
53
86
86
68
81
72
57
79
78
50
66
77
66
81
79
80
73
71
56
81
86
62
69
81
78
77
80
88
62
67
62
74
94
Use this set of 40 exam scores as the POPULATION for this activity:
(put them into List 1 in your calculator)
67
90
74
66
76
79
77
53
86
86
68
81
72
57
79
78
50
66
77
66
81
79
80
73
71
56
81
86
62
69
81
78
77
80
88
62
67
62
74
94
Use this set of 40 exam scores as the POPULATION for this activity:
(put them into List 1 in your calculator)
67
90
74
66
76
79
77
53
86
86
68
81
72
57
79
78
50
66
77
66
81
79
80
73
71
56
81
86
62
69
81
78
77
80
88
62
67
62
74
94
Use this set of 40 exam scores as the POPULATION for this activity:
(put them into List 1 in your calculator)
67
90
74
66
76
79
77
53
86
86
68
81
72
57
79
78
50
66
77
66
81
79
80
73
71
56
81
86
62
69
81
78
77
80
88
62
67
62
74
94
Use this set of 40 exam scores as the POPULATION for this activity:
(put them into List 1 in your calculator)
67
90
74
66
76
79
77
53
86
86
68
81
72
57
79
78
50
66
77
66
81
79
80
73
71
56
81
86
62
69
81
78
77
80
88
62
67
62
74
94
- Use your calculator to obtain a NEW simple random sample of n=5 students My five random values: _________
Now count through the given exam scores to get your “exam” values
YOUR EXAM VALUES: ________________ Put these into List 1 and calculate:
- Determine the sample mean:
- Determine the sample standard deviation:
- Determine the sample range:
- Does the sample mean equal the population mean?
- Does the sample standard deviation equal the population standard deviation?
- Does the sample range equal the population range?
- (3 pts) Now get a third simple random sample of n = 5.
My five random values: _________
Now count through the given exam scores to get your “exam” values
YOUR EXAM VALUES: ________________ Put these into List 1 and calculate:
- Determine the sample mean:
- Determine the sample standard deviation:
- Determine the sample range:
- Does the sample mean equal the population mean?
- Does the sample standard deviation equal the population standard deviation?
- Does the sample range equal the population range?
- (2 pt) Are your three sample means the same? ______ Should every sample have the same mean? Why or why not?
- (2 pt) Are your three sample standard deviations the same? ______ Should every sample have the same standard deviation? Why or why not?
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Use this set of 40 exam scores as the POPULATION for this
activity:
(put them into...
Consider the below matrixA, which you can copy and paste directly into Matlab.
Problem #1: Consider the below matrix A, which you can copy and paste directly into Matlab. The matrix contains 3 columns. The first column consists of Test #1 marks, the second column is Test # 2 marks, and the third column is final exam marks for a large linear algebra course. Each row represents a particular student.A = [36 45 75 81 59 73 77 73 73 65 72 78 65 55 83 73 57 78 84 31 60 83...
Use the Grouped Distribution method for the following exercise (see Self-Test 2-4 for detailed instructions), rounding...
Use the Grouped Distribution method for the following exercise (see Self-Test 2-4 for detailed instructions), rounding each answer to the nearest whole number. Using the frequency distribution below (scores on a statistics exam taken by 80 students), determine:ion 1 of the preliminary test (scores on a statistics exam taken by 80 students), determine: 68 84 75 82 68 90 62 88 76 93 73 79 88 73 60 93 71 59 85 75 61 65 75 87 74 62 95...
Use the Grouped Distribution method for the following exercise (see Self-Test 2-4 for detailed instructions), rounding...
Use the Grouped Distribution method for the following exercise (see Self-Test 2-4 for detailed instructions), rounding each answer to the nearest whole number. Using the frequency distribution below (scores on a statistics exam taken by 80 students), determine:ion 1 of the preliminary test (scores on a statistics exam taken by 80 students), determine: 68 84 75 82 68 90 62 88 76 93 73 79 88 73 60 93 71 59 85 75 61 65 75 87 74 62 95...
Use the accompanying data set on the pulse rates (in beats per minute) of males to...
Use the accompanying data set on the pulse rates (in beats per minute) of males to complete parts (a) and (b) below. LOADING... Click the icon to view the pulse rates of males. a. Find the mean and standard deviation, and verify that the pulse rates have a distribution that is roughly normal. The mean of the pulse rates is 71.871.8 beats per minute. (Round to one decimal place as needed.) The standard deviation of the pulse rates is 12.212.2...
2.) Below is a data set for a set of scores on a final exam: 63,...
2.) Below is a data set for a set of scores on a final exam: 63, 88, 79, 92, 86, 87, 83, 78, 41, 67, 68, 76, 46, 81, 92,77, 84, 76, 70, 66. 77, 75, 98, 81, 82,81, 87, 78, 80, 60, 94, 79, 52, 82, 77, 61, 77, 70, 74, 61 Complete the following questions: (4 points total) (1 point each) a.) Create a frequency distribution by hand b.) Create a histogram by hand c.) Create a stem-and-leaf...
Question 1 15 pts Test scores for a class of 40 students are listed below: 25...
Question 1 15 pts Test scores for a class of 40 students are listed below: 25 35 43 44 47 48 54 55 56 57 59 62 63 65 66 68 69 69 71 72 72 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98 a) The mean of the sample data is b) The median of the sample data is c) The standard deviation of the sample data is...
Find the indicated measure. The test scores of 40 students are listed below. Find P85.
Find the indicated measure. The test scores of 40 students are listed below. Find P85. 30 35 43 44 47 48 54 55 56 57 59 62 63 65 66 68 69 69 71 72 72 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98 1) 85 2) 87 3) 89 4) 34
Find the indicated measure. The test scores of 40 students are listed below. Find P85. 30...
Find the indicated measure. The test scores of 40 students are listed below. Find P85. 30 35 43 44 47 48 54 55 56 57 59 62 63 65 66 68 69 69 71 72 72 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98 1) 85 2) 87 3) 89 4) 34
1. Forecast demand for Year 4. a. Explain what technique you utilized to forecast your demand....
1. Forecast demand for Year 4.
a. Explain what technique you utilized to forecast your
demand.
b. Explain why you chose this technique over others.
Year 3 Year 1 Year 2 Actual Actual Actual Forecast Forecast Forecast Demand Demand Demand Week 1 52 57 63 55 66 77 Week 2 49 58 68 69 75 65 Week 3 47 50 58 65 80 74 Week 4 60 53 58 55 78 67 57 Week 5 49 57 64 76 77...
An experiment is conducted to determine if classes offered in an online format are as effective a...
An experiment is conducted to determine if classes offered in an online format are as effective as classes offered in a traditional classroom setting. Students were randomly assigned to one of the two teaching methods. Data below. a. Test the claim that the standard deviations for the two groups are equal. What is the p-value of the test? b. Construct a 95% confidence interval on the difference in expected final exam scores between the two groups. Does the data support...
2.) Below is a data set for a set of scores on a final exam: 63, 88, 79, 92, 86, 87, 83, 78, 41, 67, 68, 76, 46, 81, 92,77, 84, 76, 70, 66. 77, 75, 98, 81, 82,81, 87, 78, 80, 60, 94, 79, 52, 82, 77, 61, 77, 70, 74, 61 Complete the following questions: (4 points total) (1 point each) a.) Create a frequency distribution by hand b.) Create a histogram by hand c.) Create a stem-and-leaf...
Question 1 15 pts Test scores for a class of 40 students are listed below: 25 35 43 44 47 48 54 55 56 57 59 62 63 65 66 68 69 69 71 72 72 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98 a) The mean of the sample data is b) The median of the sample data is c) The standard deviation of the sample data is...
Find the indicated measure. The test scores of 40 students are listed below. Find P85. 30 35 43 44 47 48 54 55 56 57 59 62 63 65 66 68 69 69 71 72 72 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98 1) 85 2) 87 3) 89 4) 34
1. Forecast demand for Year 4.
a. Explain what technique you utilized to forecast your
demand.
b. Explain why you chose this technique over others.
Year 3 Year 1 Year 2 Actual Actual Actual Forecast Forecast Forecast Demand Demand Demand Week 1 52 57 63 55 66 77 Week 2 49 58 68 69 75 65 Week 3 47 50 58 65 80 74 Week 4 60 53 58 55 78 67 57 Week 5 49 57 64 76 77...
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