The scores for a Statistics Test were as the following: 86, 81, 93, 84, 81, 100, 99, 71, 69, 76, 93, 85, 85, 87, and 89. Compute the standard deviation of the scores, then relate the outcome with the performance of the students

Q: The number of goals scored by a college soccer team for a given season are 4, 9, 0, 1, 3, 12, 3, 7,…

A: The population mean is, μ=∑xN=4+9+0+1+3+12+3+7+4+5+8+212=5812=4.8333 The population mean is 4.8333.

Q: Observe the values of the means and standard deviations in the four samples you gathered and list as…

A: Simple random sampling is the technique of selecting the in such a way that way each sample has an…

Q: Illustration : The mean and standard deviation of a set c 100 observations were 40 and 5 respective…

A: Mean is the average value of given observations. For a set of 'n' observations, mean is the sum of…

Q: Use the following data to answer A&B.  The test scores for a sample of five randomly chosen…

A:

Q: Given the following set of data, determine the mean. 1, 2, 3, 4, 5, 4, 3, 2, 1, 0, 1

A: The given data is 1,2,3,4,5,4,3,2,1,0,1

Q: Imagine that you and four of your classmates have measured the density of air and recorded the…

A: Let X be an density of air kg/m3. Therefore, X=1.27,1.21,1.28,1.25,1.24 We have to find average,…

Q: Pam is planning to take a SAT Prep course. She asks 7 of her older sister's friends who used a prep…

A:

Q: from the given ungrouped data: 53, 45, 59, 48, 54, 46, 51, 58, 55 Find the mean, median, and mode.

A: From the given data, it can be seen that the total number of data points, n=9

Q: Problem: The scores of 6 job applicants  Given: 6, 12, 9, 10, 6 and 8. Calculate the mean, the…

A: We have given that,  The data set is,  6, 12, 9, 10, 6, 8 We will find the mean, mean deviation and…

Q: Dr. Smith asked ten of his students how much cash they were carrying. The responses in dollars were:…

A: Number of students = 10 Money that the students will have after getting 1 dollar = Original money +…

Q: Angela polled her first grade class about their family pets. The following data lists the number of…

A:

Q: Suppose that your class took a test and the mean score was 86% and the standard deviation was 4%.If…

A: It is given that the mean is 86 and standard deviation is 4.

Q: You are curious about how the mean age of cars compared for students and faculty. You take a random…

A:

Q: Of the 500 people who took the civil servant acceptance test in one government agency, the average…

A: We have given that  Mean=67.5 Standard deviation=5.2  Find A) P(55.6<x<61)B) P(x>65)

Q: The following data are the grades of the EDA students in Engr. A. Determine the Mean, Mode, Median…

A: Given data is96, 84, 85, 72, 95, 74, 75, 88, 87, 98, 81, 79, 78, 76, 81, 99, 74, 75, 82, 81, 95, 94,…

Q: 20. For the data in the following sample: 10, 6, 8, 6, a. Find the mean and the standard deviation.…

A: 20. a. The mean of the sample is, x¯=∑ixin=10+6+8+6+55=355=7 Thus, the mean of the sample is 7. The…

Q: A statistician was exploring a set of data representing a group of 121 women.  The mean was 49 and…

A: Sample size, n = 121 Mean = 49 Variance σ2 = 9 We have to find the standard deviation.

Q: Solve the following problems: ( Ungrouped Data) The systolic blood pressures of 12 smokers are as…

A: Data given  114, 116, 118, 120, 122, 124, 126, 128, 130, 130, 134, 146

Q: The following data values represent the daily amount spent by your family during a seven day summer…

A: Standard deviation= √E(X2)-((E(X))2 E(X)= (summation Xi)/n E(X2)= (summation Xi2)/n Sample size is…

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: Find the mean, median, mode, range, variance and standard deviation.

A: Given data : [8,6,3,0,0,5,9,2,1,3,7,10,0,3,6]

Q: 3; 8; -1; 1; 0; 4; -3; 2; -1; 5; 4; -2 what is the standard deviation for this sample?

A: Given, The 12 change scores are 3,8,-1,1,0,4,-3,2,-1,5,4,-2

Q: The following data set represents performance scores from a sample of participants in a psychology…

A: The formula to find sample standard deviation is as follows,  s = ∑ x2-∑x2nn-1

Q: Find the mean of the following data: 0, 5, 30, 25, 16, 18, 19, 26, 0, 20, 28 A. 0 B. 18 C. 19 D. 17

A: According to the given information it is required to calculate the mean of the given data.

Q: The following cholesterol levels of 10 people were measured in mg/dl: 260, 150, 165, 201, 212, 243,…

A: Given data is260,150,165,201,212,243,219,227,210,240

Q: For the sample scores in the frequency distribution table below, the median is 1 4. 4. 1 1 3 21

A:

Q: Given the sample data: 159, 120, 151, 160, 144, 153, 174, 147, 151. Compute for standard deviation

A: Standard deviations

Q: Consider the following data of 10 exams scores: 28, 57, 58, 64, 69, 74, 79, 80, 83, 85 1. The the…

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Q: Compute each of the single-variable statistics discussed in class for the data below:   84.7 58.2…

A: Arrange the given data in ascending order44.3, 58.2, 58.2, 68.3, 84.1, 84.7, 89.1, 89.7, 91.9,…

Q: For the following data in the sample:     0,    6,    8,    6,    5 Find the mean and the standard…

A: The data is given as 0, 6, 8, 6, 5.