ease awnser following question    2. An overbearing mother recorded the number of minutes her daughter spent exercising over 4 days. Here are the number of minutes per day: 2, 9, 14, 15 a. Write out the formula for: mean of x b. Use the formula to evaluate mean of x, by plugging in the values and manually carrying out the calculation. c. Write out the formula for standard deviati

Q: The 6 participants in a 200-meter dash had the following finishing times (in seconds). 24, 30, 26,…

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Q: er has a height of 6 feet 8 inches, or 203 cm. Based on statistics from a data set, his e of 4.10.…

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Q: The 5 participants in a 200-meter dash had the following finishing times (in seconds). 32, 27, 30,…

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Q: Refer to the accompanying table, which describes the number of adults in groups of five who reported…

A: Given that ; X represents the number of adults in groups of five who reported sleepwalking P(x) is…

Q: The following data are the distances from the workplace (in  miles) for the 5 employees of a small…

A: The distances from the workplace (in miles) for the 5 employees of a small business are given as:…

Q: he mean weight of baby deer and a local zoo is 15.8 pounds with a standard deviation of 2.4 pounds a…

A: a) Given values: 14.5, 16.8, 15, 16.4, 15.9. x=sum of data valuesnumber of data values…

Q: The mean charge at a certain restaurant in town for a sample of patrons was $23 per person, with a…

A: mean = 23 s = 4.5

Q: There are 15 numbers on a list, and the mean is 25. The smallest number on the list is changed from…

A: The numbers in the list is 15, the mean is 25 and the smallest number is changed from 12.9 to 1.29.

Q: Below are the times (in days) it takes for a sample of 6 customers from Jose's computer store to pay…

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Q: The mean and standard deviation of players' heights for the 2003 NBA season were H 79.5 inches and o…

A: A z-score (also called a normal score) gives an indication of how far from the mean a data point is.

Q: etters in each word, and obtain the mean and standard deviation of the yes were blue blue as autumn…

A: *Answer:

Q: Need asap   For a medical study, a researcher wishes to select people in the middle 75% of the…

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Q: The data that follows represent the prices of shoes.$60, $59, $85, $99, $95, $100, $116, $75 Find…

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Q: If the mean deviation of the data S= .{22,b,37} is 10. Find the value of b

A: Given: MD=10. Now, by the formula of mean deviation:MD=∑|x-x|n where n is the number of observations

Q: With a height of 64 in, Marvin was the shortest president of a particular club in the past century.…

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Q: Use a calculator or software to find the (a) Find the mean and standard devia MEAN: STANDARD…

A: mean of x = ∑xn = 296= 4.888 standard deviation = ∑(xi- x)2n-1 = 26.8335 = 2.316

Q: A quantity surveyor was asked to study the weight of beef in a particular company. He measured 10…

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Q: A Population has a Mean of 90 and a standard deviation of 25.  A sample of 20 college students is…

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Q: Tom scored a 125 on a measure of math ability and a 42 on a measure of verbal ability.The means and…

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Q: ather drops his three children off at the movie theater and give nd on a movie and concession…

A: let X1,x2,x3 be the three children. A father drops his three children off at the movie theater and…

Q: Given the mean is 62 and the standard deviation is 8, find the z-score that corresponds to each of…

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Q: If you have a ND with mean 100 and standeard deviation 10. Find P(80<X<120)=

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Q: On a test the mean score is 25 and the standard deviation is 2.3.  Which score could be expected to…

A: Given information Mean µ = 25 Standard deviation σ = 2.3 P (Z&lt; z) = 0.05 Z (0.05) = -1.6449…

Q: A 1995 study shows that since records were first kept in a meteorologist's hometown, the average…

A: Solution: Given information: n= 25 Sample size  μ= 68 Population mean x= 73  Sample mean s= 8.55…

Q: Find the standard deviation for the group of data items. Stems Leaves 3 4 16 16 The standard…

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Q: CO LO Translate Mikayla and April began arguing about who did better on their tests, but they…

A: Solution The one who have a  higher  score did better.

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 263 days…

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Q: Solve for the mean and the standard deviation of the following normally distributed set of data. a.…

A: We have given that Standard deviation below mean is 6.7 and standard deviation above the mean is 9.9

Q: If the standard deviation of the data .S={5,20,a} is 15. Find the value of a

A: Given: SD=15.   Also, by the formula of standard deviation:SD=∑x-x2n-1

Q: Place the following in order to show how you find the standard deviation. Take the square root of…

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Q: You are given that mean = 50, coefficient of variation = 40% and coefficient of skewness = – 0.4.…

A: Given, Mean = 50, Coefficient of Variation (CV) = 40% Coefficient of skewness = - 0.4.

Q: Grace has a dog and its weight is z = -0.5lbs.  Her current weight is 47 lbs.  The average weight…

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Q: The average life of a car tire is 50,000 miles.  The standard deviation is 2,000 miles   What…

A: Normal distribution, also known as the Gaussian distribution, is a probability distribution that is…

Q: USE THE INFORMATION BELOW TO ANSWER QUESTIONS 28 THRU 30 Although the average number of vehicles per…

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Q: A biologist found the wingspans of a group of monary butterflies to be normally distributed with a…

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Q: Tom scored a 122 on a measure of math ability and a 39 on a measure of verbal ability. The means and…

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Q: A population has a Mean of 100 and a standard deviation of 15.  A sample of 20 college students is…

A: Given information- Population mean, µ = 100 Sample mean, x-bar = 125 Population standard deviation,…

Q: Assume that the readings on the thermometers are normally idstributed with a mean of 0" and a…

A: Normal distribution is a continuous distribution which has many real life applications. Normal curve…

Q: Refer to the accompanying table, which describes the number of adults in groups of five who reported…

A: Given Solution: The following is the data provided:

Q: Use the display of data to find the standard deviation (do not round until the final answer, then…

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Q: Determine the class average if the standard deviation was 8% and Henry’s mark of 85% is equivalent…

A: Given that,  The standard deviation =8%, Marks of Henry's =85%, and z-score =1.30.

Q: Calculate the mean median mode and standard deviation of the data 21,30, 27, 30, 25

A: Given data is21,30,27,30,25sample size(n)=5

Q: If some data is symmetrical and unimodal, and the mean and standard deviation are 230 and 40…

A: If the data is symmetrical and unimodal, then it is normally distributed with mean, μ=230 and…

Q: What's the population standard deviation s? Ơ= 4

A: We have given  Sample mean =18 Sample variance s2=16

Q: Imagine you measured the temperature (in F) each day in a week and got the following measurements:…

A: Given the the temperature (in F) each day in a week as 70 72 68 50 90 80 72

Q: Tom scored a 115 on a measure of math ability and a 40 on a measure of verbal ability. The means and…

A: For mathabilitygiven,Mean(M)=95Standard deviation(S)=15Tom…

Q: An engineer wishes to determine the width of a particular electronic component. If she knows that…

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Q: Ronnie and Loida who are best friends took a college entrance examination. The mean score and the…

A: The z score is used to estimate the number of observation deviation from the mean. The z score is…

Q: Valentina obtained a score of 75 in a science exam and 90 on her English exam. on which test did she…

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Q: Both sets of values have an average of 20. Is Set A's standard deviation smaller, larger, or about…

A: Standard deviation : Spread of the data from the mean   ===========================================…