Calculate Standard deviation of the following data. No. of Employees : 10-19 20-29 50-59 3. 30-39 40-49 No. of firms 6. 11 14

Q: At a single high-end restaurant in England over a 3-week period, there were 141 tables of diners.…

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

Q: Calculate the standard deviation of the data. 7 11 8 12 4 6 2 15 7 8

A: Standard deviation:The standard deviation indicates by how much each observation differs from a…

Q: A researcher claims that the stomachs of blue crabs from Location A contain more fish than the…

A: Level of significant = 10%  Here we use the two sample mean t test to solve this problem.

Q: sets represented by the following histograms has the largest standard deviation?A data set lists the…

A: Given: Minimum = 3 Median = 15 Q3 = 16 IQR = 4 Maximum = 19

Q: Given the following  sample of times students spent completing their first online Statistics exam…

A: The data set is given as 85, 77, 96, 104, 110, 92, 63, 72, 88, 118, 95 and 83.

Q: Consider the following data and calculate the standard deviation. 6.24,  6.21,  6.24,  6.28

A: The mean is, μ=∑XN=6.24+6.21+6.24+6.284=24.974=6.2425 The mean is 6.2425.

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance…

A:

Q: Calculate standard deviation from the following data. Marks Frequency | 6 0-10 10-20 20-30 30-40…

A: Class Interval Frequency, f Midpoint, x fx x2 fx2 0-10 6 5 30 25 150 10-20 8 15 120 225 1800…

Q: Find  Variance and Standard deviation for the following data.  4,  4,  7,  11,  14.

A: Given sample xi is:  4, 4, 7, 11, 14  Sample size, n = 5   Sample mean can be calculated as:…

Q: Compute the Quartile Deviation and Standard Deviation from the following data: Scores Frequency…

A: Given : Class Frequency (f) 110 - 114 1 105 - 109 3 100 - 104 2 95 - 99 4 90 - 94 3…

Q: The fuel efficiency , in miles per gallon of 10 small utility trucks was measured. The results are…

A: Here n= 14 not 10

Q: Calculate the mean and sample standard deviation of the data shown. Round to two decimal places. 2.6…

A:

Q: Find the mean and the standard deviation of the data. 48 22 34 26 27 37 20

A: From the provided information, Sample size (n) = 7 Data is given as follow: 48      22     34     26…

Q: Suppose two sections of the same class take the same exam and produce the results shown in the…

A: The relative frequency distribution of section 1 scores and section 2 scores, are given.

Q: A large company has many employees and the annual salaries of those employees follow a normal…

A: X follows a Normal distribution with mean = 70000 and S.D = 12000 Then z=(x-mean)/SD =…

Q: 19. Yellowstone Park Medical Services provides emergency health care for park visitors. An average…

A: Given Information:  Mean (u) = 21.7  Standard Deviation (s) = 4.2  Sample size (n) = 10

Q: A researcher claims that the stomachs of blue crabs from LOcation A contain more fish than the…

A:

Q: Is it worth pursuing a doctoral degree in education if you already have an undergraduate degree? One…

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Q: Provided that the ACT is reasonably normally distributed with a mean of 18 and standard deviation of…

A: From the provided information, Mean (µ) = 18 Standard deviation (σ) = 6 Let X be a random variable…

Q: give the sample standard deviation of this data set: 20, 25, 35, 40

A: Sample Standard deviation:   If the standard deviation is calculated for sample then it is called as…

Q: A sample of 5 male employees was taken from a firm. Age of this sample of 5 male employees are…

A:

Q: 7) Calculate the vari ence and the standard deviation for the following data 3. 4 Number of children…

A: Given that : A frequency table is here By using this information we calc5 relative frequency and…

Q: 2 درجات annual expenditure per 25-to 34-year-old consumer for health care is $ 1468. Students at a…

A: As the population standard deviation is known, it is the z-test. Given: x¯=1520μ=1468σ=198n=60 The…

Q: s the standard deviation of the following data set?  State your result as a decimal value with two…

A: The table that shows the necessary calculation is depicted as: x x−¯x (x−¯x)2 1 -2.5 6.25…

Q: 1. Which of the following dataset has the lower standard deviation? o Dataset A: 5, 10, 15, 20, 25,…

A: Standard deviation: The positive square root of mean squares of the deviation taken from arithmetic…

Q: Calculate Standard deviation of the following data : No. of Employees : 10-19 20-29 30-39 40-49…

A: Given: No. of employees No of firms 10-19 6 20-29 11 30-39 14 40-49 6 50-59 3

Q: Consider a sample with a mean of 500 and a standard deviation of 100. What are thez-scores for the…

A: Introduction: Consider X as a normally distributed random variable, with mean μ and standard…

Q: A researcher claims that the stomachs of blue crabs from Location A contain more fish than the…

A:

Q: The average McDonald's restaurant generates $2.2 million in sales each year with a standard…

A: The random variable sales follow normal distribution. We have to test whether the average sales…

Q: The highway miles per gallon rating of the 1999 Volkswagen Passat was 31 mpg (Consumer Reports,…

A: Given,sample size(n)=30mean(μ)=31standard deviation(σ)=3

Q: Compute standard deviation and its coefficient from the following data: - -10 10-15 15-20 20-30 30-…

A:

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance…

A: Given table of frequency  Find mean and population standard deviation

Q: Which of the following would be the standard deviation used in developing the p-control chart?

A: Given:  Proportion of defective product p= 0.03 Sample size n=30  To find standard deviations used…

Q: that empty homes are not as appealing to buyers as staged homes and, therefore, sell for lower…

A: The following information has been provided: Sample Mean 1 (\bar X_1)(Xˉ1​) = 150000150000…

Q: The normal monthly rainfall in Seattle, WA is as follows: Jan 5.4                       July 0.9…

A: Given the monthly rainfalls as  5.4 , 4.0 , 3.8 , 2.5 , 1.8 , 1.6 , 0.9 , 1.2 , 1.9 , 3.3 , 5.7 ,…

Q: The average McDonald's restaurant generates $3.1 million in sales each year with a standard…

A: The random variable sales generated by McDonald’s restaurants in Maryland follow normal…

Q: Compute cocfficient of quartile deviation from the following data: 50 Marks 10 40 80 30 15 20 No. of…

A: Given The data is as follows: Marks No. of students 10 4 20 7 30 15 40 8 50 7 80 2

Q: Total enrollment in the Kalamazoo Public Schools have a mean and standard deviation of 11,957 and…

A: We have given that  Mean = 11957  and standard deviation = 13 In next five years so, every…

Q: = 26 : Calculate Standard deviation of the following data. No. of Employees : 10-19 No. of firms…

A: Here given grouped data with frequency  From given table calculation is on further step

Q: 2) Find the standard deviation of the grouped data Ages 51 - 60 41 - 50 3 10 15 31 - 40 21 - 30 11…

A: In grouped data, the observations are accumulated into groups or classes. These classes and the…

Q: Calculate the standard deviation for the data set below 1, 3, 4. 5, 6, 9, 12, 16

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

Q: Suppose that a hospital tested the age and body fat data for 18 randomly selected adults with the…

A: Use EXCEL Procedure to obtain the values of mean, median and Standard deviation for the variable…

Q: reasonably regarded as a a sample from a standard deviation

A: Given: In a sample of 400 male students, it was observed that they have a mean height (of 55+18)…

Q: A demographics researcher claims that the mean household income in a recent year is the same in Ada…

A: Given: α = 0.10 n1 = 18 X1 = 58300 s1 = 9000 n2 = 20 X2 = 56600 s2 = 15600 Formula Used: t-test…

Q: Calculate the mean and sample standard deviation of the data shoWH. places 21 14 26 10 11 23 Mean =…

A: Mean :  The mean of a data set is the sum of the terms divided by the total number of terms. Using…

Q: calculate the standard  deviation for the following data set   2  4   3    7    2   roundup to 2…

A: A mean of a data set is the average value of the data. The mean of a dataset is computed by dividing…

Q: Find the standard deviation of the following set of data: (1,3,5,7,9}

A: To calculate the standard deviation of these numbers: 1. Find the mean of the numbers 2. Then for…

Q: What is the standart-deviation of the following data? (select the closest value) Class Frequency 2.7…

A: The table that shows the calculations is shown below: The sample mean is calculated as follows: