Find the standard deviation of the data summarized in the given frequency distribution. The test scores of 40 students are summarized in the frequency distribution below. Find the standard deviation.   score                          students 50-59                             5 60-69                             7 70-79                              9 80-89                             10 90-99                             9

Q: The standard deviation of the follo 10, 30, 50, 70, 90 а. 31.62 O b. 30.22 O c. 35.91 d. 32.09

A: We calculate by using excel

Q: *The data show the number of patients in a sample of ten hospitals who acquired an infection while…

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Q: Use the table to find the value that is three standard deviations above and below the mean. (Enter…

A: The team batting average for Fredo’s Team is 0.166 and the team standard deviation is 0.012.

Q: Solve for the range, variance, and standard deviation of this data: 40, 34, 50, 46, 47, 39. +Input…

A: We will find out all the required values.

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A: Given mean = 80  And , Standard Deviation = 10

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Q: Using your calculator, find the range and standard deviation, round to The table below gives the…

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Q: 16937 19049 20981 33789 8709 10508 11909 29730 18667 24480 31553 12G 8S 17646 16255 26838 25510…

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Q: Find the stansard deviation of the data summerized in the given frequency distribution.  The test…

A: The formula for mean and standard deviation is given by,

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Q: Find the mean, median, midrange, range , mean deviation, and standard deviation for the following…

A: Given data and calculation for mean deviation and standard deviation is shown below

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Q: Given a set of scores below, write down the scores one, two, and three standard deviations above the…

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A: Let X denote the sample data. The standard deviation of the data can be calculated as SD =…

Q: Use the table below to find the standard deviation of the following data set: 17,18,19,30,32,48

A: Given that  Data set : 17,18,19,30,32,48  Sum of data values = 17 + 18 + 19 + 30 + 32 + 48  = 164…

Q: n the distribution shown, state the mean and standard deviation. Hint: The vertical lines are 1…

A: The vertical line in the distribution shows the 1 standard deviation apart.

Q: Scores 82 90 93 63 77 Compute the mean and the standard deviation

A: Scores 82 90 93 63 77

Q: below

A: Baseball Player Batting Average Team Batting Average Team Standard Deviation Fredo 0.158 0.186…

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Q: 3. Find the standard deviation. Data Set: 20, 15, 15, 10, 20 а. 16.0 b. 17.5 C. 5.1 d. 4.2

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Q: The scoring averages (points per game) of the starting lineup of a basketball team are as follows:…

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Q: Using your calculator, find the range and standard deviation, round to two decimals places: The…

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Q: The times per workout an athlete uses a stair climber are normally distributed with a mean of 20…

A: Given values, Mean = 20 Standard deviation = 5 Use z formula, to calculate the probability: z=x-μσ

Q: The final exam grade distribution for all students in the introductory statistics class at a local…

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Q: "The weights of 1,000 children, in average, is 45kg with standard deviation of 18kg. Suppose the…

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Q: Using technology, find the range and standard deviation, round to one decimals place: The table…

A: Given data, 20 39 34 29 48 84 64 25 75 89 40 57 82 43 62 52 49 59 38 87 49 66 95 17

Q: The graph shows the distribution of times (in hours) that teenagers spend playing video games per…

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Q: Find the mean and standard deviation for the distribution. B/choose the appropriate answer: 1- P is…

A: Here we will use the concept of permutation and combinations Permutation :  nPr  = n!/(n-r)!…

Q: Q7 / For the data in the frequency table below, find the value of the standard deviation Class…

A: The following is the formulae for the Standard deviation of Frequency distribution…

Q: Test scores for an exam are normally distributed, with a mean of 82 and a standard deviation of 3.…

A: Given: μ=82s=3

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Q: 289 221 301 374 336 351 a)what is the standard deviation b) What is the first quartile and third…

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Q: above the mean Fredo's Team       Karl's Team

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A: Enter the data in EXCEL as shown below.