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Direction: Write the letter of the correct answer before each number. Use separate sheet for your solutions. 1. This is the central value or average of the probability mass function of a discrete random variable. a. Mean b. Variance c. Standard Deviation d. Probability 2. It describes the how spread the scores are from the central value of the discrete random variable. a. Mean b. Variance c. Probability d. Variable

Direction: Write the letter of the correct answer before each number. Use separate sheet for your solutions. 1. This is the central value or average of the probability mass function of a discrete random variable. a. Mean b. Variance c. Standard Deviation d. Probability 2. It describes the how spread the scores are from the central value of the discrete random variable. a. Mean b. Variance c. Probability d. Variable

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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Name: Score: Grade and Section: Date: Direction: Write the letter of the correct answer before each number. Use separate sheet for your solutions. 1. This is the central value or average of the probability mass function of a discrete random variable. а. Меan b. Variance 2. It describes the how spread the scores are from the central value of the discrete random c. Standard Deviation d. Probability variable. a. Mean b. Variance c. Probability d. Variable 3. How to get the standard deviation from the computed variance? a. Square the variance b. Twice the value of variance For numbers 4-15, refer to the table below. Complete the table showing the probability mass function representing the number of food items customers of Aling Tess Sari-Sari Store will buy. Number of Items (X) Probability (Р(Х) Х-Р(X) c. Add the variance and the mean d. Get the square root of variance 1 3 4 5 1/5 4/15 1/15 1/3 2/15 4. 5. 6. 7. 8. 9. From the given table, what is the mean (p) of the probability distribution? b. 2.93 а. 2.80 с. 3.93 d. 3.80 10. How do you interpret the result of the mean of the probability distribution? a. The average number of items customers will buy in Aling Tess Sari-Sari store is 2. b. The average number of items customers will buy in Aling Tess Sari-Sari store is 3. c. The average number of items customers will buy in Aling Tess Sari-Sari store is 4. d. The average number of items customers will buy in Aling Tess Sari-Sari store is 5. Compute for the variance and standard deviation of the given probability distribution above. Number of Items (X) X- u 1 3 4 11. 16/15 -29/15 -14/15 31/15 (X-H) 1/225 3.74 12. 13. 4.27 (X-H)• P(X) 14. What is the variance of the probability mass function? 0.748 0.167 1/1125 1.52 2.85 a. 5.13 b. 5.38 c. 5.29 d. 5.43 15. What is the standard deviation? a. 2.26 b. 2.32 c. 2.30 d. 2.33
Transcribed Image Text:Name: Score: Grade and Section: Date: Direction: Write the letter of the correct answer before each number. Use separate sheet for your solutions. 1. This is the central value or average of the probability mass function of a discrete random variable. а. Меan b. Variance 2. It describes the how spread the scores are from the central value of the discrete random c. Standard Deviation d. Probability variable. a. Mean b. Variance c. Probability d. Variable 3. How to get the standard deviation from the computed variance? a. Square the variance b. Twice the value of variance For numbers 4-15, refer to the table below. Complete the table showing the probability mass function representing the number of food items customers of Aling Tess Sari-Sari Store will buy. Number of Items (X) Probability (Р(Х) Х-Р(X) c. Add the variance and the mean d. Get the square root of variance 1 3 4 5 1/5 4/15 1/15 1/3 2/15 4. 5. 6. 7. 8. 9. From the given table, what is the mean (p) of the probability distribution? b. 2.93 а. 2.80 с. 3.93 d. 3.80 10. How do you interpret the result of the mean of the probability distribution? a. The average number of items customers will buy in Aling Tess Sari-Sari store is 2. b. The average number of items customers will buy in Aling Tess Sari-Sari store is 3. c. The average number of items customers will buy in Aling Tess Sari-Sari store is 4. d. The average number of items customers will buy in Aling Tess Sari-Sari store is 5. Compute for the variance and standard deviation of the given probability distribution above. Number of Items (X) X- u 1 3 4 11. 16/15 -29/15 -14/15 31/15 (X-H) 1/225 3.74 12. 13. 4.27 (X-H)• P(X) 14. What is the variance of the probability mass function? 0.748 0.167 1/1125 1.52 2.85 a. 5.13 b. 5.38 c. 5.29 d. 5.43 15. What is the standard deviation? a. 2.26 b. 2.32 c. 2.30 d. 2.33
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