The table shows a student's record of performance on five tests. On which test did the...
The table shows a student's record of performance on five tests. On which test did the student rank the highest in relation to the other students in class? (assume that the test scores on each test are normally distributes.) Explain and show your answer.
| Test Number | Student's Score | Class Mean | Class Standard Deviation |
| 1 | 85 | 76 | 3 |
| 2 | 87 | 89 | 7 |
| 3 | 94 | 88 | 4 |
| 4 | 88 | 80 | 6 |
| 5 | 82 | 72 | 5 |
Homework Answers
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The table shows a student's record of performance on five tests.
On which test did the...
C++: Create a grade book program that includes a class of up to 20 students each...
C++: Create a grade book program that includes a class of up to 20 students each with 5 test grades (4 tests plus a Final). The sample gradebook input file (CSCI1306.txt) is attached. The students’ grades should be kept in an array. Once all students and their test scores are read in, calculate each student’s average (4 tests plus Final counts double) and letter grade for the class. The output of this program is a tabular grade report that is...
5. Mark’s class just took the admission test for business school and averaged 87.05. Chapter 10...
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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...
CSC888 has 4 people. Each person needs to take 3 tests. Create a 4-by-3 two-dimensional array...
CSC888 has 4 people. Each person needs to take 3 tests. Create a 4-by-3 two-dimensional array to store the test scores. Ask the user to enter test scores one at a time to populate this array. Once the whole array is filled, do the following two things. (1) For each student, display her test scores and the average of the three tests. (2) For each test, display student scores and the average of the four students. The following shows a...
While the following simple random samples of Statistics test scores both come from populations that are...
While the following simple random samples of Statistics test scores both come from populations that are normally distributed, we do not know the standard deviation of the populations. The first simple random sample is drawn from the scores on Exam 1 for an on-line Statistics class and the second simple random sample is drawn from the scores on the exact same Exam 1 for an on-land (traditional) Statistics class. Using the null hypothesis that there is no difference in the...
subjects were used in this second study? 2. Six students were given a test at the...
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Find the indicated measure. The test scores of 40 students are listed below. Find P85.
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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
subjects were used in this second study? 2. Six students were given a test at the beginning of the school year and again, 3 months later. The purpose of the testing was to assess the extent to which their scores improved as a result of the course work they had done during the 3 months. Their scores on the two tests (each out of 100) are as follows: First Test Second Test 72 82 65 74 69 78 80 68...
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
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