6. The marks obtained by 11 students as follows. You calculate quartile deviation and its coefficient. . Marks : 43, 25, 72, 38 , 12, 86, 54, 52, 65, 70, 92.

Q: 55. For the following data obtain (i) mean, (ii) median, (iii) mean deviation from median, and ()…

A:

Q: Q2. From the following data below. 17 19 21 18 20 18 19 20 20 21 1. What is the mean? (а) 19.9 (b)…

A: Given data: 17, 19, 21, 18, 20, 18, 19, 20, 20, 21 (1) Mean is the sum of observations divided by…

Q: i. Determine the regression equation. (5) ii. Estimate sales when 3 million is spent on advertising…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: 5. The first quartile (Q1) for the data set: 23, 24, 21, 20, 25, 22, 18 , 15

A: Given data 23,24,21,20,25,22,18,15 Q1=?

Q: 2, 5, 9, 13, 17, 202. Find the standard deviation for the above sample data.

A:

Q: Following are the marks of the 10 students: 56, 48, 65, 35, 42, 75, 82, 60, 55, 50. Find the third…

A: Given data, 56, 48, 65, 35, 42, 75, 82, 60, 55, 50.   Sort the data in ascending order.…

Q: 3, 3, 4, 6, 6, 8, 9, and 10.   Compute the mean of these test scores to the nearest 0.01.

A: 3,3,4,6,6,8,9, and 10Number of observation is 8The mean is the average of the given numbers.

Q: Consider a sample with data values of 27, 25, 20, 15, 30, 34, 28, and 25. Compute the 30th, 25th,…

A: Solution : Sort the data values from smallest to largest : 15, 20, 25, 25, 27, 28, 30, 34 here n =…

Q: 6. The three data sets have the same mean and range, but is the variation the same? Prove your…

A: We have to find the steps of three different data setLet us consider the first data set1) Ste 1:…

Q: 1. Find the mean, the variance and the standard deviation for the data. {18, 18, 19, 18, 18, 25, 29,…

A: Given data is : 18,18,19,18,18,25,29,30,26,19 To find mean, standard deviation, and variance.

Q: The marks obtained by 9 students are given below:         45, 32, 37, 46, 39, 36, 41, 48, 36.…

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Q: The mean deviation of the data(1 * :2,9,9,3,6,9,4 from the mean is 2.23 3.23 O 2.57 O 3.57 O

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Q: 5. You recorded the time in seconds it took for 8 participants to solve a puzzle. The times were:…

A: In the given question we have to find the mean and median of the time of eight participants let tha…

Q: c. Analyzing marks of 15 students from Spring 2020, you found their mean to be 23.6 and standard…

A: Data given Summer 2020  23,18,17,24,27,18,14,29  Spring 2020  n=15, x̄=23.6, s=4.9

Q: 4. (简答题, 8.0分) The number of credits being taken by a sample of 13 full-time college students for a…

A: Measure of central tendency are used to measure the central values. Measure of central tendency are…

Q: Find the deviations from the mean for the set of data: 26, 29, 22, 24, 24. Score 26 29 22 24 24…

A: Given Data is, 26,29,22,24,24 mean,x¯ =26+29+22+24+245=25

Q: The data represent the number of days off per year for a sample of individuals selected from ten…

A: Solution

Q: The data represent the number of days off per year for a sample of individuals selected from ten…

A:

Q: In a random sample of 36 students in college deprived of one nights sleep recieved an array of tests…

A: Given: Sample size, n = 36            Sample mean, M = 63            Sample SD, s = 17   Part A:…

Q: - Calculate the Quartile Deviation (Q.D) and coefficient of Q.D. for the data below: ( 230 , 620 ,…

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Q: sample of 8 students scored the following grades: 20, 40, 35, 30, 57, 57, 46, 42. Find the sample…

A: Given Data: 20, 40, 35, 30, 57, 57, 46, 42

Q: Following are the marks obtained by a batch of 9 students in a certain test. 65.3 , 45.6 , 35.9 ,…

A: Given: The marks obtained in a certain test is provided as:…

Q: 10. Find mean deviation and its coefficient using by A.M. and Median. Values 31, 46, 47, 48, 52, 58,…

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Q: The scores of a random sample of 8 students on a physics test are as follows: 60, 62, 67, 69, 70,…

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Q: Benjamin owns a small Internet business. Besides himself, he employs nine other people. The salaries…

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Q: find 3rd quartile for given data 12,15,14,18,16,1,5,9,6,7,6,7,15,14,16,32,25,5

A:

Q: 10 Students in Statistical Analysis of 27 students receives assessment grades of 90, 87, 99, 79,…

A: Given data is 90,87,99,79,89,87,90,90,91,92sample size(n)=10let "x" denoted given data…

Q: The following are scores shot by a golf team in a 9-hole course: 46,52,47,54,55,43,53,48,51,41,50…

A:

Q: A researcher has collected the following sample data: 3, 5, 12, 3, 2. The mean of the sample is 5.…

A: Remark: We know that the range of a sample data is defined as the difference between the lowest and…

Q: (c) Find the third quartile of the above data. 87 88.5 057 58.5

A:

Q: Team A: 6,6,7,7,6,5,6,5,4,5 Team B: 2,2,3,8,9,9,9,9,10,10 a. Compute the mean number of shots made…

A: We have been given the data as, Team A: 6, 6, 7, 7, 6, 5, 6, 5, 4, 5 Team B: 2, 2, 3, 8, 9, 9, 9, 9,…

Q: The sample of five companies in the aerospace industry was surveyed a o their return on investment…

A: Solution: x (x-x) (x-x)2 21 3.4 11.56 17 -0.6 0.36 6 -11.6 134.56 21 3.4 11.56 23…

Q: he marks of a student in written and oral tests in subjects A, B and C are as follows. The written…

A: Written (X) Weight (w) wx 27 5 135 24 10 240 23 15 345

Q: The three data sets have the same mean and range, but is the variation the same? Prove your answer…

A: For all the parts, it is given that, x=5+7+9+11+13+15+177=777=11