The first four central Moments of a continuous series with class intervals of 10 are arrived at 2, 20, 40 and 50 respectively. Find their corrected values according to Shephard.

Q: What is the value of the mean? 1 2 3 P(X=x) 0.15 0.20 0.15 0.50

A:

Q: The average price of a Google Chromebook is 21,100 php. Assuming that the prices are approximately n...

A:

Q: A school has a population of 8000 students with a mean height of 153 cm with a standard deviation of...

A:

Q: Some states have college admissions programs that guarantee the top p% of high school graduates ( in...

A: Given,mean(μ)=3.11standard deviation(σ)=0.13

Q: A veterinarian collects data about puppies in her practice. She makes a scatterplot with their age i...

A: Hi

Q: Roulette: A Nevada roulette wheel has 38 pockets. Eighteen of them are red, eighteen are black, and ...

A: Solution-: Given:  There are n=38 pockets in the roulette and each is equally likely In which eighte...

Q: À baseball analyst would like to study various team statistics for a recent season to determine whic...

A: Given:   ERA Wins 3.65 99 4.45 71 4.72 73 4.01 85 4.37 89 4.47 71 3.84 88 3.92 9...

Q: lakhs) of a certain commodity for the year On the basis of quarterly sales (in 2008-12, the followin...

A:

Q: There is an average of 4 accidents in a week on a major highway in the city. What is the the probabi...

A: X: number of accident in a week.X~poission(λ)where λ=4 accidents/weekfind P(X<2)=?probability mas...

Q: In an experiment to determine which of the three different missile systems is preferable, the propel...

A:

Q: All events are dependent. Find the probability in question. 1. 7 1 m P(B| A) = 20 find P(A and B) 4'...

A: Given,P(A)=720  ,  P(B|A)=14  

Q: (a) Compute the least-square regression line for predicting the president's age from the first lady'...

A: Here independent variable is lady's age denoted by X and dependent variable is President's age denot...

Q: You work for the U.S. Food and Drug Administration. You have gotten word that a drug manufacturing i...

A: Given Information: Sample size n=20 Claim: Each bottle contains 355 millimeters. Confidence level is...

Q: Calculate the quartiles from the following data : Weekly wages in Dollars : No. of wage earners 35-3...

A:

Q: Use the empirical rule to choose the best value for the percentage of the area under the curve that ...

A: here given mean = 41.8 cm  and standard deviation = 5.3 cm  

Q: 14. Show the following data by a pie diagram. Items of expenditure % of total expenditure Food 60 Cl...

A:

Q: The following data give the percentage of men working in five in the retail and trade industries. Th...

A:

Q: The average time to complete a statistics test is 58.3 minutes, with a standard deviation of 5.6 min...

A: Given that  Average time to complete the statistic test is 58.3 minutes.  (μ) = 58.3 minutes Standar...

Q: round off final answers to 4 decimals   A construction firm bids on two different contracts. Let E...

A: Given,P(E1)=0.38  ,  P(E2)=0.18E1 and E2 are independent events.

Q: C. The probability that fawn will weigh exactly 3.1 kg is P(x = 3.1) =0 d. The probability that a ne...

A:

Q: 2) If all of the values in a set of data were doubled, what would happen to the variance?

A: We need to use the concept of variance.

Q: 9.How many ways can you arrange the letter from the words BUBBLE? A. 100 B. 120 C. 140 D. 160

A: how many ways can you arrange the letter from the words BUBBLE?total number of letters=6B-3U-1L-1E-1

Q: Exercise 1 Hypertension is a long-term medical condition in which the blood pressure in the arteries...

A: The t-test is used to find the mean differences between the two groups. It is inferential statistics...

Q: Exercise 2 Many times property value appraisers estimate the value of specific properties with minor...

A: Formula : Degree of freedom : df = n-1

Q: Example 1 Construct a histogram for the following frequency distribution. С. .: Frequency: 10-20 20–...

A:

Q: Predict the price when the prime interest rate is 7%. Round the answer to at least four decimal plac...

A: In this case, the independent variable is the prime interest rate in percent (x) and the dependent v...

Q: Given the following flow sşhop problem. Draw the schedule that minimizes the sum of weighted tardine...

A: Flow shop scheduling n jobs two machines: all jobs require the same sequence/order in visiting the m...

Q: Let x be a normally distributed continuous random variable with a mean of 280 and a standard deviati...

A:

Q: answer is incorrect. sample statistic for the parameter being estimated. answer to the nearest integ...

A: *Answer:   

Q: by pinion polling agency. The frequency distribution gives the ages of people terviewed. Frequency A...

A: Ans#- Calculate Mean from the following grouped data Class Frequency 80 - 89 2 70 - 79 2 60...

Q: From the following information regarding the price of 3 commodities, calculate the index numbers tak...

A: Solution is given in the picture:

Q: s. How much should the player pay to play if the game is fair?

A: Here given, In a game of chance using balls numbered 1 to 20, a player wins 150 php is the randomly ...

Q: Predict the price of milk in a month when the price of eggs is $1.75. Round the answer to two decima...

A: Predict the price of milk in a month when the price of eggs is $1.75. Round the answer to two decima...

Q: The school canteen is doing a survey on the food preferences of the students. They printed 100 surve...

A: The appropriate sampling technique is to be defined for the 100 students (considering a single form ...

Q: 5) What effect would adding a constant to each data value in a set have on the mean and variance of ...

A: What effect adding a constant to each data value in a set have on the mean and variance of the set.

Q: (b) Given that M(t) = E(t-0)', show that it can also be written as: M(t) = V(t) +B*(t), where V(t) i...

A:

Q: If {X(t)} is a random process with constant mean u and if XT T 1 | X(t) dt, then {X(t)} is mean-ergo...

A:

Q: A researcher hypothesized that children's cholesterol levels may be affected by educating their pare...

A: The z test is used to test whether there is any significant relationship between the sample and popu...

Q: A manufacturing company is faced with the problems of choosing four products to manufacture. The pot...

A:

Q: More than 14 of the students have GPA higher than 2.7. The complement is: (Choose one) students have...

A: Given  sample of 75 students was selected

Q: A researcher was interested in studying if there is a significant relationship between the severity ...

A: Given:   O A B AB Total Critical  64 44 20 8 136 Severe 175 129 50 15 369 Moderate 211 528 ...

Q: The following data give the percentage of men working in five in the retail and trade industries. Th...

A: Given The data is as follows: % Working of Men % Management 67 49 45 21 73 65 54 47 61 ...

Q: What are the chances that no Clarks ille runner hill finish in toe 32

A: Here total 9 runners  And top 3 are selected,  so it is without replacement model  So here use hyper...

Q: 승x, FX=0,2, 4 P(X) =- 0, if X = 1, 3 what is the value of P(x>2)?

A: Given: PX=16X,              x=0,2,4=0,     if x=1,3         

Q: Q1. Data were collected on the number of visitors of a shopping mall. The data are presented in the ...

A: Given the data as Month No. of visitors Jan 22 Feb 30 Mar 25 Apr 38 May 25 Jun 42 J...

Q: According to Cohen, an effect size of 0.5 should be always be considered a) small b) large  c) me...

A: Introduction: The quantity Cohen's d measures effect size.

Q: A particular fruit's weights are normally distributed, with a mean of 275 grams and a standard devia...

A: Let X denote the weights of a particular fruits. Given that X follows N(mean = 275, SD = 9), then Z ...

Q: "The principal of Phoenix High School is conducting an in depth study of the graduates since she has...

A: 1.At first, principal takes the list of all graduates since he has been there. He numbered that list...

Q: If the probability function for a discrete random variable X is given by the following piecewise fun...

A: Solution: Let X be the discrete random variable having probability distribution  is  P(x)= 16x    if...

Q: The numbers 5, 4, 7, & B are esch written on 4 identical cards and placed face down on a table. Two ...

A: Given that  n=4 Sample space=S=(5,4,7,8) Even number=(4,8) Odd number=(5,7) X=even number