The numbers of people living in each of the homes on a certain street were recorded. Number of people 1 2 3 4 6 5 7 Number of homes 1 3 5 7 2 For example, 5 homes have 4 people living in each of them. Find the mean number of people per home. A. 3.68 В. 5 С. 4 D. 4.12

Q: If a sample of 23 swimmers is taken from a population of 74 swimmers, the population mean, u, is the…

A: We have given that a sample of 23 swimmers is taken from a population of 74 swimmers.

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Q: From 40 data points (x1, y1), .., (x40, Y40), assume that we approximate the means and variances as…

A: Given that, n=no. of data points n=40 x=5.16 y=41.2 sx2=9.55 sx=3.09 sy2=537.7 sy=23.18 sxy=71.5

Q: If a sample of 25 students is taken from a population of 179 students, the population variance, o,…

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Q: The marks of 10 students out of 50 are given below. Calculate the Arithmetic mean for the given…

A: According to the given information, we have The marks of 10 students out of 50 are given.

Q: were böys and 250 girls. The results were as follows: n1 = 150 X = n2 = 250 X2 = 73 = 72 %3D 01 =7.0…

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Q: 5. Rank each football team by their mean scores. If you could join any of the three teams, which…

A: # we are entitled to solve one question at a time, please resubmit the other questions if you wish…

Q: The median of a group of individuals’ BMIs whose BMIs are 20.47, 21.92, 23.32, 23.41, 25.7, and 30.1…

A: Given values :  20.47, 21.92, 23.32, 23.41, 25.7, and 30.1 Count of values is even

Q: According to a college​ survey, 22% of all students work full time. Find the mean for the number of…

A: Given information: Percentage of students that work full time = 22% The probability of success, that…

Q: Which of the following z scores are above the mean? Choose all that apply.     0     1.35…

A: For normal distribution, the mean is equal to 0

Q: The median for the data 39.2, 9.2, 1.9, 29.1, 25.9, 12.6, 19.9 is O 20.1 O 19.9 O 9.2 O 25.0 O 1.0

A:

Q: The side-by-side dotplot below displays the arm spans, in centimeters, for two classes. Arm Span…

A: Symmetric distribution: For a symmetric distribution right hand side of the distribution is mirror…

Q: Q1/ The table below gives the number of accidents each year at a particular road junction : 2000…

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

Q: 12. Below is a data set for number of toys a child owns in a particular neighborhood: ABCDEFG|H…

A: toatal no. of child   N=8total number of toyes  ∑xi   =2+4+4+3+2+3+2+4=24

Q: If the mean score and coefficient of variance of Engineering Math course are 72.9 and 1.25%…

A: We have to find sd.

Q: The table below shows the number of vegetables sold by three vendors in a market for consecutive…

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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: A population of scores has a mean of ? = 35 and ? = 3.5. Find the z-scores that correspond to the…

A: Solution- Given that mean mu=35 and standard deviation s=3.5 Find Z score for corresponding X values…

Q: nat is the mean value of the following scores: 1.25, 1.83, 2.03, 2.52, 3.75, 2.12, 3.48 2.52 2.12…

A: By adding it first. Then divide by total count of numbers.

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Q: The owner of a manufacturing plant employs eighty people. As part of their personnel file, she asked…

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Q: The Median of the following data is 16.5: Marks Frequency 1-8 4 9-16 17-24 2 25-32 7 33-40 1 Total…

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Q: Find the mean, the median, and the mode of the following scores. (If an answer does not exist, enter…

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Q: Find average in classified data set (k=5)

A: The mean is given by ​​​​​​​

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A: Given: Grade Points A 4 B 3 C 2 D 1 F 0 The given score data can be tabulated as:…

Q: The median for the data 40.6, 7.7,2.2, 31, 23.7, 12, 18.9 is O 31.0 O 23.7 O 22 O18.9 7.7

A: Given query is to find the median of the data set.

Q: 2.42 1.44 2.05 0.24 2.78 2.6 2.69 1.02 1.44 1.21 2.85 0.91 1.54 0.37 1.07 0.04 2.41 2.79 1.25 0.63…

A: We have used excel to compute the mean.  Following steps are used:-  1) Enter the data ( speed and…

Q: Compute the population variance of the data: 16,18,23,21,17,16,24,23,9,17,11,16,22,10,15,14. A.…

A: σ2= ∑(xi-x¯)2n

Q: Q11 In a communication network, packets of information travel along lines. The number of lines used…

A: Given, number of line used (xi)  number of packets (fi) 1 17 2 54 3 32 4 6 5 1

Q: The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3…

A: test score (X) Frequency (f) fX cumulative frequency 3 1 3 1 4 1 4 1+1=2 5 2 10 2+2=4 6 1…

Q: Find the variance in classified data set (k=5) Sınıflandırılmış verilerde varyansı bulunuz (k=5) 17…

A: calculation variance for classified data as follows, xi xi-mean (xi-mean)^2 17 -24.65 607.6225…

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Q: A biology professor claims that, on the average, 15% of her students get a grade of A, 30% get a B,…

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A: Given :  u(population mean height)=6.14 ft. n(sample size) = 31. sample height 5.23 6.6…

Q: 9) Five drivers were selected to test drive two makes of automobiles. The following table shows the…

A: here we have conducted the hypothesis under a level of significance α is 0.05 n1=5n2=5degrees of…

Q: World's Richest., Each year,Forbes magazine publishes alist of the world's richest people. In 2009,…

A: Given -     n= 5    ∑x= 158 Each year Forbes magazine publishes a list of the worlds richest people…

Q: 2. Find the mean, median, and mode of each set of data: a. 45 48 56 62 75 75 78 84 b. 3 48 56 62 75…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: If you obtained all possible samples and computed the mean from each sample, the mean of sample…

A: Given:            The population of students stating their expense on a textbook. N=234.

Q: The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3 4…

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Q: The marks of 10 students out of 50 are given below. Calculate the Arithmetic mean for the given…

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Q: Assume that the time it takes the housekeepir Calculate the mean and variance for the distril Select…

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Q: The median for the data 42.3, 8.9, 1.1, 33.7, 24.2, 11.2, 19.1 is O 1.1 O 24.2 O 8.9 O 19.1 O 33.7

A: Find the median of the given data

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Q: A set of n-4 scores has a mean of u11. H8 points are subtracted from one of the scores, what is the…

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Q: Which of the following best describes the variance for this sample of observations: 2.3, 4.5, 6, 8…

A: In this question, we have data for which we have to calculate the standard deviation and tell that…

Q: If you recieved the data set {9, 16, 10, 20, X} and you knew the median was 15, what could you say…

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