Find variance and standard deviation for sets a. and b. а. 36, 42, 44, 46, 48, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 61, 63, 65, 67, 73 (n=20) b. 25, 30, 36, 42, 44, 46, 48, 50, 53, 54, 55, 56, 59, 61, 63, 65, 67, 73, 79, 84 (n=20)

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

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Q: Find the range and standard deviation of the set of data. 260, 263, 266, 269, 272, 275, 278 O

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Q: The standard deviation of the sample  1,1,1,2,3,3,3 is

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Q: 10. Age of Senators The average age of Senators in the 108th Congress was 59.5 years. If the…

A: Given that Mean=μ=59.5 Standard deviation=σ=11.5 Find Z-score=(X-μ)/σ

Q: 14. x:  471.7     659.3        740.5      790.5        781.3         1047.3        969.5…

A: The given table is, x 471.7      659.3         740.5       790.5         781.3          1047.3…

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A: The hypotheses of the test are given as follows: Null hypothesis: µ=2.4. Alternative hypothesis:…

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A: Here, population standard deviation is known, so we can perform a z-test .

Q: Given the following distribution of scores: 2, 8, 2, 3, 6, 5, 7, 8, 4, 8, 2, 3 What is the…

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Q: 2. A survey of daily travel time had these results (in minutes): 26, 33, 65, 28, 34, 55, 25, 44, 50,…

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Q: Find the range and standard deviation of the set of data. 11, 10, 5, 12, 12 O

A: The detailed solution is as follows below:

Q: The standard deviation for the following :sample is Class limits Frequency 2 19-13 7 26-20 12 33-27…

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Q: Let X = { 1,2,6,9,11}. Find the mean and standard deviation given that X is a sample. %3!

A: The mean for the sample is calculated as follows:

Q: 11. A manager of a department times how many hours each person works within her department. 43…

A: Answer The correct option is 9.5

Q: The descriptive measures in a set of data are as follows: a sample mean of 50.24, a median of 49 and…

A: Following data is given, Mean =50.24, Median =  49, Standard deviation = 13.77.

Q: What is the mean absolute deviation of the following set? {23, 24, 29, 30, 38, 48}

A: First we calculate the mean of the given data set then we calculate the distance of each element of…

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: The scores of a freshman chemistry class in college have a mean of 70 and a standard deviation of 12…

A: C is the correct option. The scores of a freshman chemistry class in college have a mean of 70 and a…

Q: 14 For a data set, if the coefficient of variation (C.V.) is (24.23%) and the mean is (270), then…

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Q: The average drive to work is 9.6 miles. Assume the standard deviation is 1.8 miles. If a random…

A: Given data ,u=9.6σ=1.8n=36P9<x<10=?

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A: Please find the explanation below. Thank you

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Q: Which of the following has the large st standard deviation? 1, 1, 3, 5, 5 O 1,2, 3, 4,5 O 1,4, 7,…

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Q: The average McDonald's restaurant generates $3.6 million in sales each year with a standard…

A: For the MacDonald's restaurant the following information is provided. Average μ=3.6 Standard…

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Q: Find the range and standard deviation of the set of data. 3, 7, 3, 7, 7, 10, 12 O

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Q: Estimate the population standard deviation from the following information: Professor Marko is…

A: The population standard deviation is obtained below:

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A: Given179,177,174,185,167,186,220sample size(n)=7

Q: 4) Find the population standard deviation for the following scores: x = 2,45,2,6,3,2,9,10,11,34,64…

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Q: find the range, variance, and standard deviation. Precipitation and High TemperaturesThe normaldaily…

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Q: Find variance and standard deviation for sets a. and b. а. 36, 42, 44, 46, 48, 50, 51, 52. 53, 54,…

A: Data set a 36 42 44 46 48 50 51 52 53 54 55 56 57 58 59 61 63 65…

Q: A. Find the mean, median, mode, Q,, Q3, D, P38, and P7 of each of the following data sets. Make a…

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Q: The ages in years of a random sample of shoppers at a gamming store are shown. 12, 17, 23, 13, 20,…

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Q: Find the standard deviation of the following data : 49,63,46,58,52,60,54

A: Let X  be the random variable denoting the data values.  Then we have S.No.     X   (X - μ)…

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A: We have given that,  The date set of the sample is, 39, 42, 40, 37, 41 Then,  We will find the…

Q: The standard deviation value for the following data 5,7,2,8,8

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Q: The average McDonald's restaurant generates $3.6 million in sales each year with a standard…

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Q: The average McDonald's restaurant generates $2.4 million in sales each year with a standard…

A: A hypothesis test can be conducted to test whether the population mean is equal to the claimed value…

Q: Find the range and standard deviation of the set of data. 5, 7, 5, 7, 7, 8, 10 O

A: Solution: The objective is to find range and standard deviation of the given set of data

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A: Solution:  Given:  Average score( μ) =75      Standard deviation(σ) = 4.5…

Q: Which of the following data sets has the smallest standard deviation? a. 1, 2, 3, 4, 5 b.…

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Q: The mean IQ of 200,000 current and past University of Manitoba students has been found to be 81.9.…

A: Given: Population mean μ=81.9 Population standard deviation σ=13.1 Number of people in 2016 = 29987…

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Q: Find the range and standard deviation of the following set of data. 168​, 177​, 163​, 174​, 167​,…

A: Given 168​,177​,163​,174​,167​,186​,162 Range The range of a data set in statistics is the…

Q: The average McDonald's restaurant generates $3.3 million in sales each year with a standard…

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Q: The red blood cell counts (in 10^5)  cells per microliter) of a healthy adult measured on 6 days…

A: Given 54,53,55,50,48,52 Mean, x¯=54+53+55+50+48+526x¯=3126x¯=52