Homework Answers
For the given math score, the frequency table with score and its frequency in the dataset is tabulated as:
| Score | Frequency |
| 30 | 1 |
| 40 | 0 |
| 50 | 3 |
| 60 | 2 |
| 70 | 3 |
| 80 | 2 |
| 90 | 8 |
| 100 | 5 |
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The table below shows scores on a Math test 60 100 90 90 100 70 50...
The table below shows scores on a Math test 70 50 80 90 90 60 90...
The table below shows scores on a Math test 70 50 80 90 90 60 90 90 90 100 70 100 50 100 60 30 70 60 60100 80 100 100 50 Complete the frequency table for the Math test scores Score Frequency 30 40 50 60 70 80 90 100
not sure on this answrer, any help? The graph below is an ogive of scores on...
not sure on this answrer, any help?
The graph below is an ogive of scores on a math test. The vertical axis in an ogive is the cumulative relative frequency and can also be interpreted as a percentile. Use the graph to approximate the test score that corresponds to the 30th percentile. Percentile Ranks of Math Test Scores O A. 4 B. 9 O C. 56 OD. 50 Percentile 100 90 80 70 60 50 40 30 20 10- 0...
Grade on Statistics Exam Frequency Below 50 50 59 60-69 70-79 80- 89 90 100 10...
Grade on Statistics Exam Frequency Below 50 50 59 60-69 70-79 80- 89 90 100 10 13 17 Given the frequency table above, construct the following: (a) The relative frequency table that corresponds with the above ta Grade on Statistics Exam Relative Frequency Below 50 50 59 60 - 69 70 79 80 - 89 90 100 (b) The cumulative frequency table that corresponds with the abov Grade on Statistics Exam Cumulative Frequency Below 50 50 59 60- 69 70...
Grade on Statistics Exam Frequency Below 50 50- 59 60-69 70 - 79 80-89 90- 100...
Grade on Statistics Exam Frequency Below 50 50- 59 60-69 70 - 79 80-89 90- 100 3 10 7 10 19 13 ons Given the frequency table above, construct the following: (a) The relative frequency table that corresponds with the above table. Grade on Statistics Exam Relative Frequency Below 50 50-59 60-69 70-79 80-89 90 100 (b) The cumulative frequency table that corresponds with the above table Grade on Statistics Exam Cumulative Frequency Below s0 50-59 60- 69
3. Interpret the following line plot: 40 50 60 70 80 90 100 Student Score on Math Test a. How man...
Question 3 and 4
3. Interpret the following line plot: 40 50 60 70 80 90 100 Student Score on Math Test a. How many student scores are recorded on the line plot? b. What was the highest score? What was the lowest score? c. How many students scored 70 or higher? d. What was the most frequent score? Which types of graphs (including stem-and-leaf) could be made with the following data sets? Justify your answers. a. the responses of...
Question 1 (30 marks) The scores of 60 students in a test are: 58 49 48...
Question 1 (30 marks) The scores of 60 students in a test are: 58 49 48 62 50 76 61 82 60 72 70 35 61 55 82 66 50 47 36 58 84 55 68 32 62 58 48 75 80 49 55 67 71 46 40 57 69 70 52 60 48 53 42 68 54 60 63 70 72 68 42 55 36 70 36 82 66 46 59 50 (i) Find the mean score of the...
The scores on a mathematics test were 70, 55, 61, 80, 85, 72, 65, 40, 74,...
The scores on a mathematics test were 70, 55, 61, 80, 85, 72, 65, 40, 74, 68, and 84. Complete the accompanying table, and use the table to construct a frequency histogram for these scores. (the tally column is optional) Score Tally Frequency 40-49 50-59 60-69 70-79 80-89 Use the data from problem above to answer the following questions. Find the mean. Find the median. Find the mode. In what circumstance is the median the best measure of center?
On a math Vest, the scores of 24 students were as shown below. Construct a frequency...
On a math Vest, the scores of 24 students were as shown below. Construct a frequency and relative frequency distribution Use classes beginning with a lower dass im of 60. 96 78 71 67 71 71 96 35 71 61 81 78 78 81 71 78 81 71 785 78 81 95 67 Score Frequency Frequency Relative Frequency tin Relative Frequency 50-69 3724 13% 60.69 70-79 70-19 3724135 12/ 20 7/ 2 295 2/2009 5019 90.99 2126 Sergency Relative Frequency...
The table below shows the midterm exam score and the overall grade for a random sample...
The table below shows the midterm exam score and the overall grade for a random sample of 12 students in a statistics course. Calculate the value of the correlation coefficient r between midterm exam scores and overall grades. Give the answer with two decimal places. Midterm exam score Overall grade (v) 50 65 90 80 70 75 80 75 60 45 90 95 80 80 70 65 70 70 60 65 90 85 50 55
Question 3 < > The time spent studying for a test and the test scores are...
Question 3 < > The time spent studying for a test and the test scores are graphed below along with the best-fit line. e = 1.04 t + 38.4 100 90 Exam score, e Ipoints) 80 70 60 10 20 50+ 30 40 50 60 Study Time, t (minutes) Q What score does the equation e = 1.04t + 38.4, predict for a student who studies for 30 minutes. Round your answer to the nearest whole number score. Select an...
The table below shows scores on a Math test 70 50 80 90 90 60 90 90 90 100 70 100 50 100 60 30 70 60 60100 80 100 100 50 Complete the frequency table for the Math test scores Score Frequency 30 40 50 60 70 80 90 100
not sure on this answrer, any help?
The graph below is an ogive of scores on a math test. The vertical axis in an ogive is the cumulative relative frequency and can also be interpreted as a percentile. Use the graph to approximate the test score that corresponds to the 30th percentile. Percentile Ranks of Math Test Scores O A. 4 B. 9 O C. 56 OD. 50 Percentile 100 90 80 70 60 50 40 30 20 10- 0...
Grade on Statistics Exam Frequency Below 50 50 59 60-69 70-79 80- 89 90 100 10 13 17 Given the frequency table above, construct the following: (a) The relative frequency table that corresponds with the above ta Grade on Statistics Exam Relative Frequency Below 50 50 59 60 - 69 70 79 80 - 89 90 100 (b) The cumulative frequency table that corresponds with the abov Grade on Statistics Exam Cumulative Frequency Below 50 50 59 60- 69 70...
Grade on Statistics Exam Frequency Below 50 50- 59 60-69 70 - 79 80-89 90- 100 3 10 7 10 19 13 ons Given the frequency table above, construct the following: (a) The relative frequency table that corresponds with the above table. Grade on Statistics Exam Relative Frequency Below 50 50-59 60-69 70-79 80-89 90 100 (b) The cumulative frequency table that corresponds with the above table Grade on Statistics Exam Cumulative Frequency Below s0 50-59 60- 69
Question 3 and 4
3. Interpret the following line plot: 40 50 60 70 80 90 100 Student Score on Math Test a. How many student scores are recorded on the line plot? b. What was the highest score? What was the lowest score? c. How many students scored 70 or higher? d. What was the most frequent score? Which types of graphs (including stem-and-leaf) could be made with the following data sets? Justify your answers. a. the responses of...
On a math Vest, the scores of 24 students were as shown below. Construct a frequency and relative frequency distribution Use classes beginning with a lower dass im of 60. 96 78 71 67 71 71 96 35 71 61 81 78 78 81 71 78 81 71 785 78 81 95 67 Score Frequency Frequency Relative Frequency tin Relative Frequency 50-69 3724 13% 60.69 70-79 70-19 3724135 12/ 20 7/ 2 295 2/2009 5019 90.99 2126 Sergency Relative Frequency...
The table below shows the midterm exam score and the overall grade for a random sample of 12 students in a statistics course. Calculate the value of the correlation coefficient r between midterm exam scores and overall grades. Give the answer with two decimal places. Midterm exam score Overall grade (v) 50 65 90 80 70 75 80 75 60 45 90 95 80 80 70 65 70 70 60 65 90 85 50 55
Question 3 < > The time spent studying for a test and the test scores are graphed below along with the best-fit line. e = 1.04 t + 38.4 100 90 Exam score, e Ipoints) 80 70 60 10 20 50+ 30 40 50 60 Study Time, t (minutes) Q What score does the equation e = 1.04t + 38.4, predict for a student who studies for 30 minutes. Round your answer to the nearest whole number score. Select an...
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