9. A real estate agent uses a random sample to estimate the average family size in the neighborhood. The circled numbers represent the agent's random sample. 1 4 9. 5. 6. 4 8. (3 4. Use the mean of the random sample to estimate the average family size in the entire neighborhood.

Q: 1. Find the mean, variance and standard variation. 2, 4, 5, 6, 8, 9, 12 sonsja argiew

A: Given data is24568912

Q: Find the mean of the set of data. 2, -4, 6, 12, -6 O A. 1 О В. 2 ОС. 2.5 OD. 1.7

A: Answer- Given that  The data set Xi : 2,-4,6,12,-6 n=5

Q: Calculate the z score for salary (in dollars per hour) x = 40 dollars. Use this sample data. 55,…

A: The data is given by,55, 78, 18, 27, 51, 51It is required to compute the z-score for x=40A z-score…

Q: Construct a stem-and-leaf plot of the test scores 67, 73, 86, 75, 89, 89, 87, 90, 98, 100. How does…

A: Here the given test scores are       67,73,86,75,89,89,87,90,98,100  We have to construct the…

Q: Calculate the 5 number summary of the given data. Using approximation method.…

A: Given that  We have to find five number summary of the following data…

Q: Paleontology students went on a dig for fossils. The following data set contains the number of…

A: Given n=12 students X=10,13, 9, 50, 16, 13, 22, 18, 20, 14, 19, 12

Q: Order the steps needed to find the mean of a sample of a randomly-generated list of numbers.…

A: Steps to find the mean of a randomly-generated list of numbers is given by 3) Determine the source…

Q: Determine the mean, median, mode and midrange of the set of data. 3, 5, 18, 5, 14, 5, 17, 6 O

A: By using definitions and formulas we solve the given problem as follows :

Q: Find the mean, median, and mode of the list of values. Round to the nearest tenth if necessary. 31,…

A:

Q: Calculate the median for number of errors using this data. 35, 4, 27, 44, 42, 10

A: Given data is 35,4,27,44,42,10

Q: Find the mean. Select the correct choice OA. The mean is (Type an integer or decimal round OB. The…

A: The data is given on the number of credits being taken by 13 college students. To find the measures…

Q: Here are the weights (in pounds) of a sample of 9 male eleventh graders.  158, 161, 161, 165, 174,…

A:

Q: Find the mean, median, and mode(s) of the data. Do not round. 48, 12, 11, 45, 48, 48, 43, 32

A: Given : Find the mean, median, and mode of the data. 48, 12, 11, 45, 48, 48, 43, 32

Q: Construct a stem-and-leaf plot of the test scores 68, 72, 85, 75, 89, 89, 88, 90, 98, 100. How does…

A: According to the provided information, the test scores are 68. 72, 85, 75, 89, 89. 88, 90, 98, 100

Q: Find the sample variance and standard deviation. 4, 47, 14, 48, 32, 22, 34, 28, 27, 32

A: Given,4, 47, 14, 48, 32, 22, 34, 28, 27, 32   sample size(n)=10sample…

Q: Determine whether each sample is a random sample or a biased sample. Explain. 1. Carlos chooses 50…

A: Given that Carlos chooses 50 movies at random from a list of all his movies.  Since he picked them…

Q: Identify the type of sample ( Experimental or Observational) Then tell if the sample is biased…

A: The researcher stands at a shopping mall and selects the first 75 shoppers as they walk by to fill…

Q: soda vary slighny in weight. Given below are the measured weights of seven cans, in pounds. Find the…

A: Mean The formula to calculate the mean is given by:    Mean=Sum of all observationsTotal number of…

Q: Find the mean and median of the data.  8 1/2,6 5/8,3 1/8,5 3/4,6 5/8,5 1/4,10 5/8,4 1/2

A:

Q: Find the sample standard deviation. 2, 6, 15, 9, 11, 22, 1, 4, 8, 19 Send data to Excel O 2.1 0 7.1…

A: Ans - Given the following data2,6,15,9,11,22,1,4,8,19Find sample standard deviation x x2 2 4…

Q: What fraction of the numbers in the data set is greater than the median? 10 12 14 16 16 16 16 16 21…

A: Median is the middle data point of the list.  If the list consists of even number of data points…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.