Choose four numbers with the smallest possible standard deviation. You may use the same number more tha First number: Second number: Third number: Fourth number: 0000

Q: a history class has 75 members. if there is a 12% absentee rate per class meeting, find the mean and…

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

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Q: Of the 200 American film enthusiasts, the average age is: 30 years, while the standard deviation is…

A: Normal distribution is generally denser in the center, and basically less denser at the tails. There…

Q: The average battery life of the Apple Iphone XR is 600 minutes.  The standard deviation is 30…

A: Given : mean = μ = 600 Standard deviation = σ = 30

Q: Find the range , the standard deviation, the variance for 45, 75, 84, 58, 81, 65 , 98,63,76

A: Range = Maximum - Minimum = 98 - 45 = 53   The standard deviation can be determined using the…

Q: Find the mean and the standard deviation for each set of values. 43. 1, 1, 2, 2, 3, 4, 5, 6, 8, 9,…

A: All the given questions are solved below.

Q: After surveying 625 potential voters polled, you find out that 325 support candidate X and 300…

A: Given information: A total sample of 625 potential voters. 325 out of 625 support candidate X. 300…

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: On a nationwide math test, the mean was 52 and the standard deviation was 4. If Roberto scored 85,…

A: The z score formula is,

Q: A test is used to assess readiness for college. In a recent​ year, the mean test score was 20.620.6…

A: According to the provided data, the mean test score is 20.6 with a standard deviation is 4.9. The…

Q: Find the range and standard deviation for the set of numbers. 97, 100, 121, 128, 137, 141, 172

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Q: 93, 93, 32, 60, 68, 85, 96  Find the standard deviation

A: We have given that,  The data set,  93, 93, 32, 60, 68, 85, 96 Then, We will find the standard…

Q: Explain why each scenario is either sample or population standard deviation. All SCAD students are…

A: Survey based question

Q: The records kept by a large department store indicate that, in the past, weekly sales have averaged…

A: Given data n = 15u = 5775x = 6350s = 850df = n-1 =14α = 0.05

Q: Employees spend an average of 80 minutes on the phone each day. If standard deviation is 8 mins,…

A: Given , Employees spend an average of 80 minutes on the phone each day. If standard deviation is 8…

Q: Find the first and third quartiles for a week's temperatures from last year's summer, expressed in…

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Q: The 10,000 meters is a standard track event and it is a part of both the Olympic Games and World…

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

Q: There are only 4 teams in a league. The winning percentages of the teams are given as follows:…

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Q: A test consists of 980 true or false questions. If the student guesses on each question, what is the…

A: Given :  n = 980 Since the questions are true or false type questions, there will be only two…

Q: Find the range and standard deviation of the set of data. 210, 215, 220, 225, 230, 235, 240

A: By using formulaes for range and standard deviation you can solve the given problem as follows :

Q: Solve for the mean, median, mode, standard deviation and  Identify whether there is an outlier. If…

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Q: In Statsville, there is a city-wide speed limit of 30 mph. If you are caught speeding, the fine is…

A: Let X be the random variable of drivers who were fined Given Data: E(X)=42 SD(X)=7   Let Y be the…

Q: Which set of scores has the smallest standard deviation? Set 1. 5,11,42,22 Set 2. 47,43,45,45 Set…

A: To compute the standard deviation, mean is required. Thus, the mean for the set 1 is:

Q: Find the mean and standard deviation of the filling numbers:  30,25,10,30,45,60,30,25,20

A: Mean of the filling numbers is Mean=sum of the all numbers /no  of  given observation Mean…

Q: In a qualifying examination for admittance to the BS Psychology. the mean score was 75 and the…

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Q: Employees at Executive Management Co. spend an average of 80 minutes on the phone each day. If the…

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Q: Find the standard deviation, coefficient of variation, and the 88.9% Chebyshev interval. numbers-…

A: The mean of the given data is X¯=14+45+54+.........19+3920=71020=35.5 Now the standard deviation is…

Q: Of the 200 American film enthusiasts, the average age is: 30 years, while the standard deviation is…

A: The normal distribution in the center is generally denser and basically less dense at tails. There…

Q: A test consists of 940 true or false questions. If the student guesses on each​ question, what is…

A: Given number of true or false questions = n = 940.Probability of correct answer p = 1/2Here we can…

Q: 38,44,44,47,56,59,62  Please find the standard deviation

A: The square root of the variance is the standard deviation.

Q: Find the standard deviation of the following -14, -4,-10, -12, 5, -1.

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Q: The list shows the number of text messages 5 students sent on Tuesday. 15, 45, 70, 30, 120 What is…

A: We know that for n data set Mean absolute deviation is given by, Mean Absolute deviation =1n…

Q: What is the population standard deviation for the numbers: 75, 83, 96, 100, 121 and 125

A: What is the population standard deviation for the numbers: 75, 83, 96, 100, 121 and 125?

Q: On a multiple choice test with 10 questions, each question has four possible answers, one of which…

A:

Q: Which student received the highest grades from the quizzes?

A: here given , Jasmine, Jamal, and Jessa all got the same mean grade (2.7) on their quizzes last…

Q: A history class has 75 members.  If there is a 12% absentee rate per class meeting , find the…

A: Given data  P(absent) = p = 0.12  So q= 1-p = 0.88 Sample size (n)= 75 X = no.  of student absent We…

Q: Find the range and standard deviation for the set of numbers. 105, 124, 139, 149, 150, 159, 189

A: We have to find the range and standard deviation for the set of numbers. 105, 124, 139, 149, 150,…

Q: If you have a stem and leaf plot with numbers:…

A: The numbers are: 57 61 70 72 72 72 74 80 82 82 86 89 94 95 95 99…

Q: A company that supplies LP gas for heating keeps data on the low temperature for each day of each…

A: Mean: The arithmetic mean (also called the mean) is the most commonly used measure of central…

Q: Find the range and standard deviation of the set of data.   31, 25, 25, 23, 26,

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Q: Find the range and standard deviation for the set of numbers. 99, 100, 122, 129, 137, 143, 180 The…

A: The formula to calculate the standard deviation is : The range is the difference between the…

Q: Find the standard deviation for the set of numbers. 5, 11, 9, 20, 19, 7,7, 11, 17

A: Standard deviation :σ=1N∑i=1Nxi-μ2whereμ=MeanN=count of numbers∑x=sum of numbers

Q: Create a set of three numbers with a mean of 5 and a standard deviation of 5.

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Q: Find the range and standard deviation of the set of data 8,10,8,10,10,11,13 what is the range?

A: Find the range and standard deviation of the set of data

Q: Find the standard deviation of the data set: 15, 42, 53, 7, 9, 12,14, 28,47. 16.78

A: Given data is ,15, 42, 53, 7, 9, 12, 14, 28, 47sample size(n)=9sample…

Q: The standard deviation of -5, -5, -5, -5, 5 is: 5 Select one: True False

A: Solution: The given data is –5, –5, –5, –5 and 5.

Q: Find the standard deviation of 99,107,93,125,98,132,90,83,123,122

A: Standard Deviation (SD) : Standard deviation is used to explain how the data points are deviated…