The monthly salaries (in thousands of dollars) of a sample of 6 sales representatives are as follows.13, 10, 8, 12, 6, 11   Find the standard deviation of this sample of monthly salaries. Round your answer to two decimal places.

Q: In a data set with a range of 66.5 to 121.4 and 200 observations, there are 138 data points with…

A: It is given that there are 138 data points with values less than 87.7. and totally 200 observations.

Q: 74. Paying for championships Refer to Exercise 73. Here is a better graph of the 2008 salary…

A: One frequent visualization method is the histogram. It is employed to display interval-scaled…

Q: Let `U` be the universal set, where: `U = { a,b,c,d,e,f,g,h,i }` Let sets `A`, `B`, and `C` be…

A: Venn diagram is used to explain the different set of events. It explain the similarity and…

Q: i) Find the level of significance of the test, a (ii) Calculate the power of the test. I

A: The level of significance is equal to the probability of type I error. The type I error is defined…

Q: The following is a list of 10 measurements.79, −54, 69, −11, −3, 90, 38, 94, 56, 17   Suppose that…

A: Given that  X1 = 79, X2 = −54, X3 =  69, X4 = −11, X5 = −3, X6 = 90, X7 = 38, X8 = 94, X9 = 56, X10…

Q: A researcher claims that at least 10% of all football helmets have manufacturing flaws that could…

A: given data n = 200x = 16claim:p≥0.10α = 0.01p^ = 0.08

Q: Absolute Freq=12, 8, 10 then  Cumulative Freq=40% , x , 100%

A: Given:   Absolute Freq (f) Cumulative Freq   12 40%   8 x   10 100% Total 30

Q: A deck of cards contains RED cards numbered 1,2,3 4 and BLUE cards numbered 1,2,3,4,5.  Let R be the…

A: Here in this question it is given that a deck of cards contains RED cards numbered 1,2,3 4 and BLUE…

Q: A researcher claims that at least 10% of all football helmets have manufacturing flaws that could…

A: Givensample size(n)=200x=16p^=xn=16200=0.08significance level(α)=0.01

Q: A sample of 500 large companies showed that 120 of them offer free psychiatric help to their…

A: Given that A sample of 500 large companies showed that 120 of them offer free psychiatric help to…

Q: Fill in the blanks: people (millions) 87 86 85 84 83 82 81 80 79 1994 1995 1996 1997 1998 1999 2000…

A: Since you have posted a question with multiple sub-parts, we will solve first 3 sub-parts for you.…

Q: Curve fitting: Determine a and b so that function f(x) = axex fits the following data in the least-…

A: Given function: fx=axebx Let f(x)=y. y=axebx Let us apply 'log' on both sides,          lny=lnaxebx…

Q: 3. Consider the following data, taken from the Federal Reserve Bank's Web site. Perform the graphing…

A: Solution: From the given information,

Q: What is F(0)? (F(.) denotes the CDF of X)

A: It is given that the random variable X with the empirical pmf. The values of X are -1, 0, 1 and 2.

Q: Calculate : (i) Quartile deviation (Q.D.), and (ii) Mean Deviation (M.D.) from mean, the following…

A:

Q: Based on the data derived from the regression analysis, 420 maintenance hours in a month mean that…

A: Under regression analysis, formula for the budgeted total cost isTotal Cost = (Co efficient×hours) +…

Q: The paper "The Effects of Adolescent Volunteer Activities on the Perception of Local Society and…

A:

Q: For a sample with a standard deviation of s=4, a score of X=35 corresponds to Z= -1.25. what is the…

A: Given,standard deviation(s)=4a score(X)=35Z-score=-1.25

Q: The applet displays a scatterplot with the following points:…

A: The given points are (7,10), (27,35), (24,25), (8,12), (10,19), (15,22).

Q: Age: 21, 20 , 18, 30 Teenage (10-20) now find out what is the Freq(TeenAge)

A: From the provided information, Age: 21, 20, 18, 30 Teenage (10- 20)

Q: gasoline stocked in a bulk tank at the beginning of a week and X denote the amount sold during the…

A: Solution 3

Q: On a quiz show, a contestant stands at the entrance to a maze that opens into two rooms, labeled A…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Using Excel, construct one graph showing the entire distribution from 0 to 10 for: Hypergeometric,…

A: Given: For hypergeometric: n = 10, N = 45, D = 25 For Binomial n = 75 and p = 0.08 For Poisson…

Q: A frequency table of grades has five classes (A, B, C, D, F) with frequencies of 3, 14, 13, 6, and 2…

A:

Q: 5. A certain river floods every year. Suppose that the low-water mark is set at 1 and the high-water…

A: Solution

Q: which section, verbal or quantitative, was the student's performance better? Round your answers to…

A: It is given that  For verbal GRE score: M = 152 s = 7   For quantitative score: M = 149 s = 7

Q: The weights (in pounds ) of 16 preschool children are:…

A: Ans#- Given data,            32, 27, 34, 30, 48, 44, 40, 45, 23, 25, 41, 24, 39, 46, 43, 26…

Q: WHAT IS THE MIDRANGE?

A: Given that  The data are  1100,1450,1050,1450,1150,1650,1450,1900,1650,1750,1450,1250

Q: years in the 20th century. Note the

A: The cubic equation formula is used to construct the curve of a cubic equation. The cubic equation is…

Q: Would you expect distributions of these variables to be uniform, unimodal, or bimodal? Symmetric or…

A: From given data : (a) The number of songs that each student in your class has downloaded online(b)…

Q: Government funding: The following table presents the budget (in millions of dollars) for selected…

A: Correlation measures degree of linear relationship between two variables

Q: b. If 26 different women are randomly selected, find the probability that their mean weight is…

A: The mean is 162 lb and the standard deviation is 39 lb.

Q: The question asked :. Drawing the the Red 3 is is an example of the following events? Select all…

A: We have given that A deck of cards contains RED cards numbered 1,2,3,4 and BLUE cards numbered…

Q: A group of 12 analysts predict the earning per share of company X to be 1.40,1.40,1.45, 1.49, 1.37,…

A: ''Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: P(2<x<4) i

A: Solution - Given that X is normally distributed with mean of 10 and standard deviation of 2.…

Q: The following is a list of 10 measurements. −83, 38, −80, 78, 14, 56, 54, −20, −37, 33   Suppose…

A: Given that  X1 = −83, X2 = 38, X3 = −80, X4 = 78, X5 = 14, X6 = 56, X7 =  54, X8 = −20, X9 = −37,…

Q: The electric energy consumed each month by a manufacturingwarehouse is imagined to be linked to the…

A: The given data represents multiple regression model. We have to test which variables are considered…

Q: A certain university's Wide Area Telephone Service (WATS) line can handle as many as 20 calls per…

A: The question is about normal distribution Given : Avg. no. of calls per minute during peak period (…

Q: The percent of the total variance that can be explained by the regression equation is:

A: It is given that  r = 0.99821r2 = 0.99780

Q: results of a survey of visitors at the Eiffel Tower showed that 25 spoke English, 15 spoke French,…

A: Given that  English spoke = 25  French spoke = 15 Both English and French spoke = 8

Q: Determine B X A

A: It is given that  U = { 1,4,5,7,9} A = { 1,4,7} B = {3,5}

Q: The following histogram shows the distance run by each member of a running club. Number of runners…

A: The question is about histogram Given : From histogram,   To find : In which interval is the median…

Q: 1, 2, 3, ..., 18, 19, 20} s A and B be subsets of S,

A: Given that, S=1,2,3,...,18,19,20 Set A=1,5,6,7,10,13,14,16,17Set B=3,4,6,8,9,10,11,12,13,17,19,20

Q: a. Calculate μ, ², and o. b. Graph p(x). Locate , graph. -2, and μ + 2 on the c. What is the…

A: Farmula used  E(X)=∑xP(X=x)

Q: RMSE ME MAD MPE MAPE % %

A: here we have to find RMSE,ME,MAD,MPE,MAPE  we use excel to find RMSE,ME,MAD,MPE,MAPE

Q: 4/take electricmotorcycleonesea lectricmotorcycleonesea N Pearson Correlation Sig. (2-tailed) N TUUU…

A: From above data  Correlation coefficient between gasemit and electric motorcycle one seat is -0.132…

Q: A sample of 20 students take Math 203 was randomly selected to evaluate the results on the Math 203…

A: Given that: Sample size, n=20 Sample mean, x¯=74 Sample standard deviation, s=7.5 Confidence level =…

Q: 19. A high school math teacher summarized the 35 math SAT scores for the students in her calculau…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: Seat Designs. In Exercises 7-9, assume that when seated, adult males have back-to-knee lengths that…

A: Given Population mean μ=23.5, standard deviations σ=1.1

Q: GPAS at CCSU are normally distributed with a mean of 2.03 and a standard deviation of 0.56. Find the…

A: