"The number of workers employed, the mean wage standard deviation per month and in each section of a factory are given below. Calculate the mean wages and standard deviation of all the workers taken together. No. of workers employed Section Mean wages Standard deviation A 50 11130 600 B 60 11200 700 90 11150 800

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Q: how do you calculate the mean and standard deviation without a calculator ?

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Q: How to find the standard deviation

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Q: Please answer all questions and show work

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Q: on jan 15 the temperature is 4 degre standar deviation above the mean what is temperature on jan 15

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Q: verage annual expense of a middle-income household living in UK is 360,000 pound with a standard…

A: Given data, n=1500 μ=360000σ=4000 P(-z<Z<z)=0.93

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Q: Find the mean median mode and range variance and standard deviation for the following data which…

A: Given The data is as follows: The weight of 15 basketball players on a college team 196, 188, 225,…

Q: Ex 2\\ Calculate the Variance and Standard deviation for the following data X= 15, 10, 8, 4, 23, 25,…

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Q: Approximate the standard deviation of age for males. I already know that the population mean is…

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Q: Find the standard deviation for the grouped data.

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Q: Find the mean absolute deviation of the data below 10,15,9,8,7,11,14,8,10,12

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Q: Part II. The incomes of the factory workers in a certain province are normally distributed with a…

A: Given mean, μ = 100 Standard deviation, σ = 10 X ~ N(μ, σ)

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Q: Determine the range, mean, and standard deviation of the data set. {9,5,9,17,17,16,3,8}

A: Given n=8 9,5,9,17,17,16,3,8