1.) Ten friends scored the following marks in their end-of-year math exam: 23%, 37%, 45%, 49%, 56%, 63%, 63%, 70%, 72% and 82% What was the standard deviation of their marks?

Q: 2. A student has the following quiz scores: 5, 8, 16, 17, 18, 20. Find the standard deviation for…

A: Given- A student has the following quiz scores: 5, 8, 16, 17, 18, 20. To find- Find the standard…

Q: For the seven countries, calculate the mean, range, interquartile range and standard deviation of…

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Q: Ten friends scored the following marks in their end-of-year math exam: 23%, 37%, 45%, 49%, 56%, 63%,…

A:

Q: 1) The hourly wages for a sample of 7 part-time employees at Home Depot are: $25, $36, $20, $17,…

A: Given data is: $25,$36,$20,$17,$19,$22 and $23

Q: 5. Thirty-two percent of adult Internet users have purchased products or services online. For a…

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Q: 5. Suppose that it takes a nurse at the Chimney Rock Hospital in North Carolina on average 13.7…

A: Given: Mean μ=13.7 minutes Standard deviation σ=3.4

Q: What is the standard deviation of the following: 12, 47, 31, 18, 20, 35

A: Compute the mean of the data using the formula: x=∑ixin x=12+47+31+18+20+356  =1636  =27.1667

Q: 4.) Determine the range and Standard Deviation of the set of data 4, 8, 9, 11, 13, 15

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Q: 4, The hardness of ten steel samples was measured and the results were as follows. 1 2 8. Sample…

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Q: 1. An interview was made to a class of 20 college students to determine the number of books owned by…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 1. Determine the Range, Standard Deviation, and Variance of the height in inches of the 30…

A: Here use formula of standard deviation, variance and range

Q: What is the standard deviation of the data set 14,23,9,12,21,18,8

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Q: (a) How many reams should the manager expect to use each day? (b) What is the standard deviation of…

A: here given Discrete probability Distribution of X  X=  no of reams of paper Used

Q: Find the standard deviation for the given sample data. given: 3,4,6,3,4

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Q: 4.) Determine the range and standard deviation of 60, 58, 62, 67, 48, 51, 72, 70

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Q: Find the range and standard deviation of the set of data. 12, 8, 7, 11, 22 O

A: Given sample data is  12,8,7,11,22.

Q: Compute the mean and standard deviation for the sample below, rounding each to the nearest…

A: Measure of central tendency measures the central or average value of a dataset. Measured of…

Q: Assume that the monthly incomes for 10 people are listed as P3,400, P3,100, P2,900,P3,700, P4,500,…

A: Measure of central tendency measures the central or average value of a dataset. Measured of…

Q: 21. The frequency distribution representing the number of frequent flier miles accumulated by…

A: Frequency distribution is a recorded series of values with counts of either categorized observation…

Q: what is the mean and standard deviation of the following sample:  10, 1, 2, 5, 9, 7, 2, 4

A: Mean and standard deviation of the sample:Mean is the measure of central value of the data set and…

Q: 6. The following data give the number of new cars sold at a dealership during a 12-day period 13, 5,…

A: see

Q: Compute the range and standard deviation of the following scores 66,75,69,72,84,90,96,70,55,45

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Q: 5- calculate the Standard deviation of the following sub image.* 10 6 10 7 7 4 Your answer 4.

A: Given problem Given that   Steps to find Standard deviation :   i) Mean should be calculated by…

Q: What is the standard deviation of the following: 38, 36, 49, 36, 43, 35

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Q: What is the standard deviation of the following: 43, 22, 48, 17, 29, 43

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Q: Find the standard deviation (s) for the following: 8, 9, 8, 5, 6

A: The mean of the given numbers is obtained as follows:

Q: Use a formula to find the standard deviation of the sample 1, 4, 5, 6.

A: We have given that,  The data set of the sample is,  1, 4, 5, 6 Then,  We will find the standard…

Q: A manager of a department times how many hours each person works within her department.   43…

A: Given data are  43,42,24,50,41,28,47,47,39,59,29,31,39,42 We have to calculate sample standard…

Q: What is the standard deviation of the following sample data? 38,27,39,29,41,42

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Q: Find the range and standard deviation of the set of data. 10, 8, 6, 13, 23 O

A: we first calculate the range of our data range = maximum-minimum=23-6=17range =17Mean=μ=sum of all…

Q: 1. Find the mean, median, mode, range, population variance, and population standard deviation for…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: what is the mean and standard deviation of the following sample:  18, 1, 5, 1, 5

A: Solution:The mean is obtained below:The sample mean is 6.

Q: What is the standard deviation of the following sample data:  24, 37, 31, 48, 19, 31.

A: Solution: x x^2 24 576 37 1369 31 961 48 2304 19 361 31 961 --- --- ∑x=190…

Q: 1. The following are the score of 12 students in Statistics quiz: 86, 94, 90, 76, 95, 72, 82, 91,…

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Q: (25) The distribution of average speeds of the top 53 drivers in NASCAR is roughly symmetric,…

A: (a) Draw the normal curve with the values from Z=–3 to Z=3

Q: Compute standard deviation for the following data : 5, 8, 7, 11, 9, 10, 8, 2, 4, 6.

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Q: 1- The number of semester credit hours for seven part-time college students i 8, 5, 4, 10, 8, 3, and…

A: Given data is appropriate for measures of central tendency. Arithmetic mean is nothing but it is…

Q: What is the standard deviation of the following: 25, 36, 33, 16, 45, 44

A: Measures of Dispersion: The word dispersion is used to denote the degree of heterogeneity in the…

Q: What is the standard deviation of the following: 35, 12, 46, 21, 29, 46

A: We have given data,  35, 12, 46, 21, 29, 46 Then,  We will find the standard deviation (s) = ?

Q: Suppose we want to test whether or not the average SAT score at the University of Seychelles is…

A: From provided information, It is claimed that the average SAT score at the University of Seychelles…

Q: Compute the range and standard deviation of the following 10 scores 10, 12, 15, 20, 25, 30, 32,…

A: Compute the range. The range is obtained below: Range: Range of the data represents as difference…

Q: The standard deviation of the sample 10, 10, 10, 10, 10  is

A:

Q: 15. The standard deviation of all possible sample means equals

A: Our Aim is to tell what is equals to the standard deviation of all possible sample means ?

Q: 4. Calculate the range and the sample standard deviation for the following data. High High High City…

A: Solution: 4. Let X be the random variable. The given data is 55, 60, 65, 65, 70, 70, 75, 80 and 81.…

Q: 2. Find the Mean, Median Mode, Variance and Standard Deviation for the following data: 145, 154,…

A: Given data are 145,154,168,132,186,154,172,186,194,125,136,154,168,192,125 First we arrange them in…

Q: What is the standard deviation of the following: 48, 47, 43, 27, 16, 11

A: Standard deviation :   The standard deviation is the average amount of variability in your data set.…

Q: What is the standard deviation of the following sample of size n = 5?-3,5,8,10,12

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Q: . Compute Standard deviation from the following data 60 Marks 10 20 30 40 50 No. of students 20 7 3.…

A: Solution is given: Give data:

Q: The following data represent the flight time (in minutes) of a random sample of seven flights from…

A: a) Range= Maxumum time - Minimum time So 288-258 = 30

Q: What is the population mean, population variance and population standard deviation of the given…

A: Mean = ΣXi/n = (160+150+165+180+175+172)/6 =167 Variance= ΣXi2/n -(mean2)…