This dataset represents a random sample of data from a local computer shop. The analyst collected information from 7 randomly selected months, months 1 to 7. The variable Sales denotes the number of computers the store sold each month. The variable Adv denotes the number of ads the computer shop posted online. Month Sales Adv 250 48 364 56 3 120 35 4 105 32 5 85 18 6 65 41 65 27 Compute the sample average of the variable Adv. Round your answer to two decimals end then enter your answer into the numerical box below.

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A: The given data set represents a sample of the number of phone lines in use at various times at a…

Q: The median of the data 26.9,31.5, 43.8, 53,68.2 is 26.9 O 31.5 68.2 O 53 43.8

A:

Q: H.w B From the lowing tuble, calculate the population mean Y, and the population variance o. Student…

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Q: 4 4 3 2 2 О-2 3-5 6-8 9-11 12-14

A: Histogram

Q: 1. Consider the following sets of data. Which data appears to have more variation? SETA 35 16 22 19…

A: Given  Data set are given by Set A 35 16 22 19 23 13 17 27 9 15 Set B 15 9 56 30 3 70 2 40 51…

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A: We know that  Mean=sum of observation/numbar of observation  Median=middle value of the data set.…

Q: Determine if there is a significant difference among the samples. A1  A2  A3 35  46  37 44…

A: Null Hypothesis: H0: There is no difference in the means among the three groups. Alternative…

Q: Consider the following data. 12,14,1,7,6,212,14,1,7,6,2 Copy Data Step 1 of 3 : Determine the…

A: Given data: Let , X =  12,14,1,7,6,212,14,1,7,6,2 n = 11 To calculate: The mean of the data

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Q: The median for the data 45, 7, 13, 4, 19, 30, 23

A:

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Q: please Do in R and R studio please, thank you!

A: Sure, I can help you analyze the data set to identify outliers.There are several ways to detect…

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A: Formula:  Mean= sum of the total observations divide by total number of observation.

Q: The mean describes an entire sample with a single number that represents the calculated by of the…

A: To define mean.

Q: Consider the data set 9 6 2 6 7 2 7 1 4 8 9 Find the average (mean): Find…

A: Answer: Given sample data is: 9,6,2,6,7,2,7,1,4,8,9 Sample size(n) = 11

Q: he data below are the frequency of cremation burials found in 17 archaeological sites. a. Obtain…

A:

Q: Find the oefficient of variation for the following data sets. 2. Which data set has more variation?…

A: Solution

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A: 2,7,9,10,12,12,16,17,21,21,25

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A: Cost to charge ratio is given Regression line is also given, We have to answer for mentioned…

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: Q2. Define population in terms of statistics and describe why are samples needed and how are they…

A: A population can be defined as a group of individuals belonging to the same species residing in a…

Q: the mean, median and mode, Q1, Q3, De and P of the following grouped data. Veights of Employees in…

A: It is a single value within the range of data which represents a group of individuals values in a…

Q: 2. Compute and interpret the sample correlation for the following dataset. Yi 4 50 11 40 3 60 16 30

A: The given data are  xi yi xi*yi xi2 yi2 4 50 200 16 2500 11 40 440 121 1600 3 60 180 9 3600…

Q: The midterm and final exam grades for a statistics course are provided in the data set below.…

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Q: Use the accompanying radiation levels in W for 50 different cell phones. Find kg the percentile P30-…

A: Arranging Observations in the ascending order,…

Q: The following set of data represents the number of orders filled by a national-chain restaurant…

A: data in accending order 61,66,67,67,68,73,74,75,75,75,82,85,86,89n = 14

Q: Several years ago, the state of California launched an aggressively advertisement campaign against…

A: Arrange the given data in asecending order26,30,36,38,39, 40 , 41 , 42, 42, 45, 48, 49,50,51, 52,53