Consider the following frequencydistribution.ClassMidpointFrequency0 - 94.5610 – 1914.51420 – 2924.5830 – 3934.52What is the value of the samplevariance?Select one:а.69.33O b. 8.47O C.16.5d. 22.5е.71.72f. 8.33

Answered: Image /qna-images/answer/8f626e74-5add-41b0-a282-a9553b99b66f.jpg

Answered: Consider the following frequency…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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13. Given the list of the first quarter average of selected fifteen (15) Grade 11 Arts and Design Track students; Find the sample mean, sample variance and sample standard deviation. Xx 86.6 88.1 81.4 89.01 88 93.7 85 86.7 95 89.02 90.03 91 94.07 86 90
Exhibit 11-3 The contents of a sample of 26 cans of apple juice showed a standard deviation of 0.06 ounce. We are interested in testing to determine whether the variance of the population is significantly more than .003. Refer to Exhibit 11-3. The p-value for this test is a) .05 b) greater than .10 c) less than .10 d) 1.96
13. According to a recent random sample of 31 Canadian Football League players, the mean age was approximnately 27.71 years with a variance of 2.59. Lonnie Lobowsky of the Yukon Argonauts has an age with Z-score equivalent to 2.21. Determine his age. A. 31 B. 37 C. 33 D. 35 E. 28 -
Consider the following sample of 5 observations. -9, 6, 743, 8, 15 There is one outlier. Suppose we wish to remove the outlier from the calculations and calculate the variance of the remaining values. What would the value of the variance be?
Suppose that the time in minutes it takes a student to complete an assignment is normally distributed with a mean 50 and variance 100 then the 85th percentile of the average time it takes a random sample of 25 students to complete the assignment is closest to a 48. • b. 52 • C. 40. • d. 60. • e. 71.
The number of ornaments placed on trees is recorded. The results are as follows: 26 26 22 29 24 30 26 34 21 24 20 31 20 35 32 33 26 26 29 29 Find the Mean, Median, Mode, Midrange, Variance and Standard Deviation of the data.Round to 2 decimal places if necessary. Mean: Median: Mode: Midrange: Variance: Standard Deviation:
The variance for the sample of student marks given in following table is: number marks of student 1-5 2. 6-10 3 11-15 6. 16-20 10 21-25 4. Total 25 Select one: a. 33.5 b. 19 O C. 24.12 d. 32.16
A traffic officer suspects that the mean number of car accidents every week is 4. A sample of 16 weeks showed a mean of 7. If the variance of car accidents in the population is 4, then the correct test statistics at 5% significance level is Select one: O a. t= 3 O b. t= 6 O c. Z= 6 O d. Z= 3
Pavan.88.9
A. What is the sample variance?B. What is the mode and kurtosis of the data C. In a box-and-whisker plot, what is the IQR?
25. Approximate the sample variance and standard deviation given the following frequency distribution: Class Frequency 0-9 13 10-19 20-29 10 30-39 40-49 11 2 In Notifications ar To Do

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Consider the following frequency distribution. Class Midpoint Frequency 0 – 9 4.5 6 10 – 19 14.5 14 - 20 – 29 24.5 8 30 – 39 34.5 - What is the value of the sample variance? Select one: а. 69.33 O b. 8.47 с. 16.5 d. 22.5 2]