HomeworkLib
Question

Grades in the final exam of 21 students in a business course are given by (67,...

Grades in the final exam of 21 students in a business course are given by (67, 70, 80, 85, 90, 75, 94, 87, 80, 77, 78, 58, 72, 50, 83, 64, 69, 70, 59, 61, 40). Find the mean, median, mode, variance and standard deviation for the above grades.

math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
Grades in the final exam of 21 students in a business course are given by (67,...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • 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...

  • The given data is the grades for people in this class. The goal here is to...

    The given data is the grades for people in this class. The goal here is to determine the factors that effect student's Grade in the class. 4) Find the mean and median for the men's and the women's Quizzes. Gender Men Women 5) Test the claim that the majority of students at this class are women. F M F F M F F F F M M F F F M F F F F M M F F M...

  • The following scores represent the final examination grades for an elementary statistics course:

    The following scores represent the final examination grades for an elementary statistics course: 23 60 79 32 57 74 52 70 82 36 80 77 81 95 41 65 92 85 55 76 52 10 64 75 78 25 80 98 81 67 41 71 83 54 64 72 88 62 74 43 60 78 89 76 84 48 84 90 15 79 34 67 17 82 69 74 63 80 85 61 Calculate: Stem and leaf Relative frequency histogram Cumulative frequency Sample Mean Sample Median Mode Variance Standard deviation

  • 02 The following scores represent the final examination grades for an elementary statistics course: 23 60...

    02 The following scores represent the final examination grades for an elementary statistics course: 23 60 79 32 57 74 52 70 82 36 80 77 81 95 41 65 92 85 55 76 52 10 64 75 78 25 80 98 81 67 41 71 83 54 64 72 88 62 74 43 60 78 89 76 84 48 84 90 15 79 34 67 17 82 69 74 63 80 85 61 Calculate: . Stem and leaf ....

  • A statistics instructor recorded the grades of his students on the final exam. The grades are:

    A statistics instructor recorded the grades of his students on the final exam. The grades are: 65, 72, 85, 92, 60, 52, 75, 79, 80, 89, 50, 59, 95, 99, 89, 77, 62, 65, 67, 73, 85, 23, 89, 94, 97 a. Construct a stem-and-leaf display. b. Describe the shape of the distribution. c. Deterinine the mode and median of these scores. d. What percentage of the students passed (at least a 70).

  • Student stress at final exam time comes partly from the uncertainty of grades and the consequence...

    Student stress at final exam time comes partly from the uncertainty of grades and the consequences of those grades. Can knowledge of a midterm grade be used to predict a final exam grade? A random sample of 200 BCOM students from recent years was taken and their percentage grades on assignments, midterm exam, and final exam were recorded. Let’s examine the ability of midterm and assignment grades to predict final exam grades. The data are shown here: Assignment Midterm FinalExam...

  • 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...

  • 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...

  • Please answer all questions! thanks :) VI/ Test scores from a math midterm are as follows:...

    Please answer all questions! thanks :) VI/ Test scores from a math midterm are as follows: 79, 90, 85, 89, 70, 59, 75, 64, 83, 78, 75, 77, 78, 77, 67, 85, 74, 52, 87, 72, 69, 76, 61, 77, 93, 86, 79, 90, 74, 67, 51, 75, 77, 82, 78, 60, 86, 72, 91, 95, 82 Complete the frequency distribution table to include all data a. Class Tallies Class Midpoint Relative Cumulative Frequency relative freq boundaries Frequency 51 57...

  • Question 9-15 are based on the random sample below which is obtained to test the following hypoth...

    Question 9-15 are based on the random sample below which is obtained to test the following hypothesis about the population mean. Test the hypothesis that the mean is less than 80. 80 100 81 93 80 57 98 90 71 56 58 78 59 55 55 77 72 78 56 94 98 59 93 86 89 62 60 66 59 71 96 97 94 69 64 77 87 77 64 90 90 95 98 99 56 69 72 81 95...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT