Question: For the data set 6 2 4 (a) Calculate the deviations (x - x) and check to see that they add up to 0. (b)

For the data set
6 2 4
(a) Calculate the deviations (x - x̅) and check to see that they add up to 0.
(b) Calculate the sample variance and the standard deviation.
(c) Check your answers in Part b using software.
R: x=c(6,2,4) then mean(x) and sd(x)

Step by Step Solution

★★★★★

3.22 Rating (157 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a b c xi T N 2 ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Statistics Principles And Methods Questions!

(a) If f(x) = 2x + cot x, find f (x). (b) Check to see that your answer to part (a) is reasonable by graphing both f and f for 0

(a) If f(x) = 1 x2/x, find f(x). (b) Check to see that your answer to part (a) is reasonable by comparing the graphs of f and f.

To calculate variance and standard deviation, we take the deviations from the mean. At times, we need to consider the deviations from a target value rather than the mean. Consider the case of a...

For the data set 8 6 14 4 (a) Calculate the deviations (x - ) and check to see that they add up to 0. (b) Calculate the variance and the standard deviation. 8 6 14 4

For the dataset 8 6 10 4: a. Calculate the deviations (x -x ) and check to see that they add up to 0. b. Calculate the variance and the standard deviation without using Excel functions for variance...

(5 points) For the dataset 8 6 10 4: a. Calculate the deviations (x -x) and check to see that they add up to 0. b. Calculate the variance and the standard deviation without using Excel functions for...

For the data set 7 2 3 (a) Calculate the deviations (x x ) and check to see that they add up to 0. (b) Calculate the sample variance and the standard deviation.

For the data set (a) Calculate the deviations (x - ) and check to see that they add up to 0. (b) Calculate the sample variance and the standard deviation. 3 8.

Instructions: 1 . Data Calculation: o For each day, calculate the mean ( X ) and range ( R ) of the 1 0 sample values. o Compute the overall average ( X ) of all the means and the average range ( R )...

YO16_XL_GRADER_CASE5 - Coffee 1.1 Project Description: Chloe Jants is fulfilling her long-term dream of opening a coffee shop on a busy corner of her hometown. Her town is like many others in the...

2If the company classifies the security as heldtomaturity but subsequently determines that it must be sold before it matures because the policyholder has died, can the security simply be reclassified...

The following describes a purchasing process at Ludlow Winter Sports, Inc., a manufacturer of skis, snowshoes, and other winter recreational gear. The description here is limited to the process for...

Which one of the following is classified as a fixed - income security? Multiple Choice 2 - year U . S . Treasury security 9 - month bank certificate of deposit 6 - month municipal bond common stock...

14.5 TMaker is a Malaysian t-shirt printing and design company. Each month it receives orders for each size10% for large, 55% for medium, and 35% for small. The company wants to compare the...

A survey was conducted to study the attitudes of the faculty, academic staff, and students in regard to a proposed measure for reducing the heating and air-conditioning expenses on campus. Compare...

For the data set (a) Construct a scatter diagram. (b) From a visual inspection, draw a straight line that appears to fit the data well. (c) Calculate the least squares estimates and draw the least...

In an experiment to study the relation between the time waiting in line, y (minutes), to get to the head of the checkout line at her favorite grocery store and the number of persons ahead in line, x,...

The finance manager of Canadian Inc. (CI) has provided the following excerpts on Cl's financial position for three years: 2021 Year 2019 2020 (projected) Sales $3,500,000 $5,000,000 $5,000,000...

Assume a par value of $1,000. Caspian Sea plans to issue a 15.00 year, annual pay bond that has a coupon rate of 7.93%. If the yield to maturity for the bond is 8.17\%, what will the price of the...

please help * Question Completion Status: QUESTION 3 Wilson, Inc's assets consist only of current assets and net plant and equipment. The firm has total assets of $4 million and has net plant and...