1. Consider the following POPULATION of quiz scores {18, 23, 7, 20, 15, 12, 6, 23, 17, 16 }
Compute the following: the mean ,μ, the variance, σ2, the standarddeviation, σ.
State the mode, if one exists __________
ApplytheEmpiricalRuleatthe95%level.
What percentage of these Quiz Scores actually lie within the interval found in part c? _________________________
II. Again consider the given Quiz Scores: {18, 23, 7, 20, 15, 12, 6, 23, 17, 16 }
Determine Q1, the median, and Q3:
Draw a histogram with limits: 6-9, 10-13, 14-17, 18-21, 22-26.
Extra Credit A: Draw a box-plot for the information found in IIa.
1. Consider the following POPULATION of quiz scores {18, 23, 7, 20, 15, 12, 6, 23,...
1. The scores on a given test for ten students were as follows: 20, 15, 18, 38, 42, 51, 23, 26, 20, 11 Find the mean. Find the median. Find the mode. Find the midrange. Find Q1 Find P60 Find the percentile rank for the score 38. Find the range. 2. Find the sample variance of the test scores. (Show work by hand to receive credit!) 3. Construct a box plot using the test score data. 4. Construct a...
The following is data for the first and second Quiz scores for 8 students in a class. First Quiz (Q1) Second Quiz (Q2) 17 15 18 14 19 15 20 19 26 24 27 23 29 28 30 27 Plot the points in the grid below, then sketch a line that best fits the data. 32+ Q2 28 24 20 16 12 8 Q1 8 12 16 20 24 28 33 Clear All Draw: : Use the line above to...
The following is data for the first and second Quiz scores for 8 students in a class. First Quiz (Q1) 17 18 19 20 26 Second Quiz (Q2) 15 14 15 19 24 23 28 27 27 29 30 Plot the points in the grid below, then sketch a line that best fits the data. 32 Q2 28 24 20 16 12 8 4 Q1 28 32 8 12 16 20 24 Clear All Draw: Use the line above to...
The following is data for the first and second Quiz scores for 8 students in a class. First Quiz (Q1) Second Quiz (Q2) 12 14 11 17 17 18 21 21 22 23 22 25 21 24 26 Plot the boints in the grid below, then sketch a line that best fits the data. 152+ Q2 28 24 20- 16- 12 84 4- QI 24 28 12 16 20 Clear All Draw: Use the line above to predict the value...
The following is data for the first and second Quiz scores for 8 students in a class. First Quiz (Q1) Second Quiz (Q2) | 12 | 11 17 13 1917 2019 22 18 26 25 27 24 Plot the points in the grid below, then sketch a line that best fits the data. 01 4 8 12 16 20 24 28 32 Clear All Draw: / Avo . Use the line above to predict the value of the second quiz...
Applied Managerial Statistics-WALL Martha Soto &1 a/17/18 4:06 PM Quiz: Week 3: MyStatLab Quiz Time Remaining: 01:16:58 Submit Quiz This Question: 2 pts 7 of 14 (5 complete) ▼ This Quiz: 60 pts possible Consider a frequency distribution of scores on a 50-point test where a few students scored much lower than the majority of students. Match this distribution with one of the graphs shown below 15 12 123 B D. 12 25000 95000 37.5 47.5 1 4 7 10...
Consider the sample: 9, 6, 7, 9, 10, 8 a) Find : the mean, the median, the mode b) Find : the range, the quartiles Q1, Q3, the variance, the standard deviation. c) Draw a box-plot for the given data set.
The ACT math scores of 15 high school seniors are listed below. 18, 15, 25, 24, 21, 16, 12, 20, 19, 25, 28, 25, 25, 29, 28 What is the mean? Round your answer to 2 decimal places.) What is the median? What is the mode? Describe the approximate shape of the distribution. Select an answer
Q4. Given the following data; 12, 19, 17, 15, 15, 12, 20, 15, 17, 16 Construct a histogram. Find the minimum and maximum sample and draw a histogram graph.
(2) Consider the sample: 9, 6. 7, 9, 10, 8 a) Find: the mean, the median, the mode b) Find: the range, the quartiles Q1, Q3, the variance, the standard deviation c) Draw a box-plot for the given data set.