1.Given a sample of the following values, what is the variance and standard deviation? {15, 5,...

1.Given a sample of the following values, what is the variance and standard deviation? {15, 5, 14, 11, 5}

Given the Contingency table below, calculate the probability that an individual drawn randomly would be Under 40 and wants a Smart Phone as a prize.

Table of Prize Choice by Age

		Chosen Device
		Smart Phone	Smart Watch	Totals
Ages	Under 40	30	80	110
	40 and Up	50	40	90
	Totals	80	120	200

Solutions

Expert Solution

hii... although I am trying to provide the detailed answer but if you have any doubt please ask by comment. your rating encourage us to provide the detailed and effective answers so please like the answer. thanks

orchestra answered 1 year ago

Next > < Previous

Related Solutions

A) Given that the sample size is 15 and the standard deviation is 2.3, the variance...

A) Given that the sample size is 15 and the standard deviation is 2.3, the variance is B) Given that the sample size is 25 and the variance for a data set is 2.8, what is the standard deviation? C) A recent survey of a new diet cola reported the following percentages of people who liked the taste. Find the weighted mean of the percentages. Area % Favored Number surveyed 1 50 1500 2 40 2500 3 25 500 D)...

Find the mean, variance, and standard deviation of the binomial distribution with the given values of...

Find the mean, variance, and standard deviation of the binomial distribution with the given values of n and p. n=70, p=0.6 The mean, μ, is _______ (Round to the nearest tenth as needed.) The variance, σ2, is _______ (Round to the nearest tenth as needed.) The standard deviation, σ, is _______ (Round to the nearest tenth as needed.)

Given the following sample data, calculate the range, variance and standard deviation by hand:

Given the following sample data, calculate the range, variance and standard deviation by hand: 3, -6, 2, 0, -9, 15, 11, 7.

Find the range, variance, and standard deviation for the given sample data, if possible. If the...

Find the range, variance, and standard deviation for the given sample data, if possible. If the measures of variation can be obtained for these values, do the results make sense? Biologists conducted experiments to determine whether a deficiency of carbon dioxide in the soil affects the phenotypes of peas. Listed below are the phenotype codes, where 1=smooth-yellow, 2=smooth-green, 3=wrinkled yellow, and 4=wrinkled-green. 2 1 3 2 3 1 4 3 2 2 2 3 2 2 2 2 1 2...

a. The standard deviation of a sample of data was 14. Find the variance. B. Given...

a. The standard deviation of a sample of data was 14. Find the variance. B. Given the sample data 5, 0, 7, 5, 9, and 6, find its range C. A new weight-loss program claims that participants will lose an average of more than 10 pounds after completing it. The data table shows the weights of five individuals before and after the program. 1 2 3 4 5 weight before 264 220 285 264 195 weight after 240 223 267...

Construct 95% confidence intervals for the population variance and population standard deviation of the given values...

Construct 95% confidence intervals for the population variance and population standard deviation of the given values below Sketch the results and interpret your findings (15 points). 1.286 1.138 1.240 1.132 1.381 1.137 1.300 1.167 1.240 1.401 1.241 1.171 1.217 1.360 1.302 1.331 1.383

Calculate the sample variance and sample standard deviation for the following frequency distribution of heights in...

Calculate the sample variance and sample standard deviation for the following frequency distribution of heights in centimeters for a sample of 8-year-old boys. If necessary, round to one more decimal place than the largest number of decimal places given in the data. Heights in Centimeters Class Frequency 120.6 - 123.6 26 123.7 - 126.7 22 126.8--129.8 34 129.9-132.9 26 133-136 44

Find the? range, variance, and standard deviation for the given sample data. Include appropriate units in...

Find the? range, variance, and standard deviation for the given sample data. Include appropriate units in the results. Listed below are the measured radiation absorption rates? (in W/kg) corresponding to various cell phone models. If one of each model is measured for radiation and the results are used to find the measures of? variation, are the results typical of the population of cell phones that are in? use? 1.46, 0.73, 0.91, 0.98, 1.46, 1.21, 1.24, 0.58, 0.63, 0.55, 0.71

Find the range, variance, and standard deviation for the given sample data. Include appropriate units in...

Find the range, variance, and standard deviation for the given sample data. Include appropriate units in the results. Listed below are the measured radiation absorption rates (in W/kg) corresponding to various cell phone models. If one of each model is measured for radiation and the results are used to find the measures of variation, are the results typical of the population of cell phones that are in use? 1.331.33 1.031.03 1.071.07 0.770.77 1.051.05 0.720.72 1.191.19 1.291.29 0.560.56 The range of...

What is the best point estimate for the population's variance if the sample standard deviation is...

What is the best point estimate for the population's variance if the sample standard deviation is 3.7? Round your answer to one decimal place, if necessary.

Subjects