Using the short cut formula we learned in class, find the standard deviation of the following list of numbers. 8, 8, 8, 2, 2, 2, 2, 2, 2 Choose the answer that is closest. a. 3.0 b. 3.2 c. 3.4 d. 2.8

Q: Find the standard deviation of this number set: {2, 4, 9} showing all of the steps involved as shown…

A:

Q: Five students find the following number of pencils in their backpacks: 3, 1, 4, 3, 15. Find and…

A:

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

A:

Q: Find the range and standard deviation of the set of numbers.   8​, 2​, 2​, 7​, 6       The range is…

A: We find the range and standard deviation of the set of numbers.   8​, 2​, 2​, 7​, 6

Q: Find the range and standard deviation of the set of data. 260, 262, 264, 266, 268, 270, 272 O

A: Given data, 260,262,264,266,268,270,272 Range=? Standard deviation=?

Q: At the end of the semester a professor wants to organize student’s grades by how many students…

A: Given data, At the end of the semester a professor wants to organize student’s grades by how many…

Q: Part: 3 / 4 Part 4 of 4 (d) n = 1010, p=0.13 = Mean: μ Variance: ² = Standard deviation: o =

A:

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: GivenMean(μ)=100standard deviation(σ)=15

Q: Use the data 2, 3, 3, 6, 6, 7. Add 2 to each of the numbers. How does this affect the mean? How does…

A:

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: normal distribution μ = 100σ = 15 P(85<x<110) = ?

Q: Q2. Find the standard deviation for the data: 5,10,7,12,0,20 7

A: We have to find the standard deviation for the data: 5,10,7,12,0,20

Q: Find the range and standard deviation of the set of data.   77​,88​,1212​,1414​,1717​,2020

A: Solution: The range of the data is calculated as follows:

Q: Ted is not particularly creative. He uses the pickup line "If I could rearrange the alphabet, I'd…

A:

Q: Steven ran the 100 meter dash in 13 seconds.  What is his T-score if the class mean was 14 seconds…

A: t statistic

Q: Read and analyze each situation below. Write complete solution when needed. A. The following toble…

A: Rate/Hour (x) frequency(f) f.x 190 6 1140 230 4 920 250 8 2000 320 3 960 350 5 1750…

Q: Find the mean and median of the class’s scores on this quiz. Round to two decimal places when needed

A: Given that  From histogram  X-axis takes X values and Y-axis takes Frequency  X Frequency = f 1…

Q: Find the standard deviation given this set of numbers Be sure to show your formula and work. You may…

A: The value of sample mean is,

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

A:

Q: Tally is interested in the fuel efficiency of her car. She computes how many miles per gallon her…

A: Given data, Miles per Gallon 28 36 56 64

Q: the mean and standard deviation for each group of numbers. Round answers to the hundredths place if…

A: Explanation and solutions is given below....

Q: Using the short cut formula we learned in class, find the standard deviation of the following list…

A: We have given that,  The data set are : 15, 15, 15, 20, 20, 20, 20, 20 Then, We will find the…

Q: Determine the range and standard deviation of the prices of camping tents shown below. $109, $60,…

A:

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of​ adults, and those…

A: Given,mean(μ)=100standard deviation(σ)=15

Q: The temperatures of summer weather this year are normally distributed with mean 38 degrees and…

A: From the provided information, Population mean (µ) = 38 Population standard deviation (σ) = 4 X~N…

Q: Use the data 2, 3, 3, 6, 6, 7. Add 3 to each of the numbers. How does this affect the mean? How does…

A: Answer;- Given data  2, 3, 3, 6, 6, 7               Add 3 to each of the numbers.               How…

Q: A student receives test scores of 62, 83, and 91. The student's final exam score is 88 and homework…

A: The student’s mean score will be obtained as given below: Here, the total score is 125%.

Q: Juan makes a measurement in a chemistry laboratory and records the result in his lab report. The…

A: The standard deviation of students lab measurements is 8. Juan repeats the measurement 2 times. That…

Q: he table shows kayden's quiz score for a semester. What are the mean and the standard deviation,…

A:

Q: Find the mean of the following values. 2, 6, 10, 14, 20, 32

A: Mean refers to the average of observations. Mean is calculated by dividing sum of all observations…

Q: Find the value of x if the mean of the .following data is 58 S = {37,68, 26, 95, 16, x, 89, 33} %3D

A: Given data set,     The objective is to find the value of x.