The ages of Daisy's five cousins are listed below.14 5 18 13 121) Calculate the mean.μ = 22.252) Fill in the table below: Fill in the differences of each data value from the mean, then the squareddifferences.σ=Σ(x-μ)²Nx=145181312x-μ3) Calculate the population standard deviation (o).||Enter an integer or decimal number [more..]Σ(x-μ)² =(x-μ)²(Please round your answer to two decimal places)

It is required to calculate the population mean, µ, and population standard deviation, σ for the…

Answered: The ages of Daisy's five cousins are…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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35| 29 26| 33 29 27 30 22 19 29 29 29 32| 29 29 33 25 19 19 22 Find the Mean, Median, Mode, Midrange, Variance and Standard Deviation of the data. Round to 2 decimal places if necessary. Mean: Median: Mode: Midrange: Variance: Standard Deviation:
The number of phone-calls the teller received per day was given in the table below. The standard deviation of the grouped data is [ ]. Keep four decimal places when neede Phone Calls (per day) Class 8-11 12 - 15 16- 19 20 - 23 24 - 27 Frequency, f 18 23 38 47 32
Q3 a) Calculate the Median, Mode and standard deviation of the following data (20) Weights 63 64 65 66 67 68 69 70 71 4 10 30 13 2 No of students 3. 12 20
The data in the table represent the ages of the winners of an award for the past five years. Use the data to answer questions (a) through (c). 25 30 61 48 42 a. Determine the population mean age, μ, of the five winners. μ=________________ (Type an integer or a decimal.) b. Consider samples of size 3 without replacement. Find the mean of the variable x. Ages x Ages x Full data set 25, 30, 61 38.67 25, 48, 42 38.33 25, 30, 48 34.33 30, 61, 48 46.33 25, 30, 42 32.33 30, 61, 42 44.33 25, 61, 48 44.67 30, 48, 42 40.00 25, 61, 42 42.67 61, 48, 42 50.33 The mean of the variable x is ______________. (Round to two decimal places as needed.) c. Find μx, using only the result of part (a). μx=_________________ (Type an integer or a decimal.)
A baker keeps count of the number of doughnuts sold each day for consecutive selected 15 days. The numbers are (b) 135 147 134 146 155 155 141 135 147 151 147 175 151 156 147 (i) (1i) (ii1) Find the median. (iv) Find the mode. Find the mean. Find the standard deviation.
Also find: 1 -Histogram 2 -Graph the cumulative rel. freq. Find 5-number summary. Find the mean and standard deviation. 5. Find the shape of the distribution
The following table gives the math SAT scores for some recent selected years. Find the average, variance, and standard deviation of each. (Round your answers to four decimal places.) Males 500 502 498 504 497 Females 446 453 450 454 451 Males: mean variance standard deviation Females: mean variance standard deviation Which group is varying more? femalesmales cannot be determined
MY DATA 2.54 Raisins The number of raisins in each EX0254 of 14 miniboxes (1/2-ounce size) was counted for a generic brand and for Sunmaid brand raisins. The two data sets are shown here: Generic Brand Sunmaid 25 26 25 28 25 29 24 24 26 28 28 27 28 24 28 22 26 27 24 25 25 28 30 27 26 26 28 24 a. What are the mean and standard deviation for the generic brand? b. What are the mean and standard deviation for the Sunmaid brand? c. Compare the centers and variabilities of the two brands using the results of parts a and b. 2.55 Raisins, continued Refer to Exercise 2.54. a. Find the median, the upper and lower quartiles, and the IQR for each of the two data sets. b. Construct two box plots on the same horizontal scale to compare the two sets of data. c. Draw two stem and leaf plots to depict the shapes of the two data sets. Do the box plots in part b verify these results? d. If we can assume that none of the boxes of raisins are being underfilled (that is, they all weigh approximately 1/2…

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