Calculate the coefficient of correlation between price and the supply of a commodity for the data given below. Price 12 13 14 15 16 17 18 19 20 21 22 11 Supply (kgs) 25 24 24 24 21 18 15 20 21 30 29 29

Q: Sampling distributions with the same sample size will have different standard errors even if their s...

A: True because when population is large the sampling distribution follows a distribution with paramete...

Q: You are testing the claim that the mean GPA of night students is different from the mean GPA of day ...

A: Introduction: Denote μ1, μ2 as the true mean GPA of night students and day students, respectively.

Q: For a normal distribution with μ=65 and σ=4, what X value would mark off the extreme 5% of scores in...

A: GivenMean(μ)=65standard deviation(σ)=4

Q: (a) Find the probability that a randomly selected student did not hold a job in the past year. (b) F...

A:

Q: Assume that a sample is used to estimate a population proportion p. Find the 99.5% confidence interv...

A:

Q: Q10. This is a continuation of Q9. Tree and its Carroll Diagram Late 0.6 Late Not Late Total Rain Ra...

A: From the given tree and its carroll diagram P ( Rain / Late ) = ?

Q: You have been asked to determine the average amount that fishermen spend per year on food and lodgin...

A:

Q: From the following data of age of 11 persons. Find the median age. Age in years : 30, 26, 17, 25, 14...

A:

Q: 4.24 Size of TV households. According to Nielsen's Television Audience Report, 2010 & 2011, 26% of a...

A:

Q: Find the standard deviation, s, of sample data summarized in the frequency distribution table below ...

A:

Q: Consider n ≥1 flips of a fair coin. What is the probability that the number of heads in the sequence...

A:

Q: Suppose a math class contains 37 students. There are 16 females (six of whom speak Spanish) and 21 m...

A:

Q: Giving a test to a group of students, the grades and gender are summarized below A В C Total Male 13...

A:

Q: Measures of dispersion Aaron finch appeared in three tests of 20, 50 and 30 marks respectively. He o...

A:

Q: " Consider that a random variable Y has the following density function, (« y*-1 fy) = Osyso elsewher...

A:

Q: Exercise 5. Assume that we have observed the following values from a normal distribution with known ...

A:

Q: This problem involves 8-digit binary strings such as 10011011 or 00001010 (i.e., 8-digit numbers com...

A:

Q: eriment in which he puts 10 gallons of gas in the car and es it until it runs out of gas. He conduct...

A: Given He conducts an experiment in which he puts 10 gallons of gas in the car and drives it until it...

Q: Calculate a 95% confidence interval (show your work) for the population mean of total cholesterol le...

A: It is given that Sample size n = 30 Sample mean M = 5.20 Sample SD s = 1.3 The critical value of t a...

Q: A bag contains 3 red marbles, 9 white marbles, and 15 blue marbles. You randomly select one marble f...

A: Ans#- Given, A bag contain 3 red marbles, 9 white marbles, and 15 blue marbles.            Total = 3...

Q: A normal distribution has a mean of u = 87 with o = 6. If one score is randomly selected from this d...

A: Given:  Random variable x from normal distribution with mean mu=87 amd standard deviations=6  Then f...

Q: Problem : Four units are connected in series with independent performance. The probabilities are as ...

A:

Q: A random sample of size 80 is taken from a population of 20000 with u = 46.5 and o? 16

A:

Q: Calculate median from the following data : Height Frequency Less than 10 4 10-20 16 20-30 40 30-40 7...

A: Median  : The median is the center cost in a listing ordered from smallest to largest. The mode is t...

Q: Multiple-choice questions each have 6 possible answers, one of which is correct. Assume that you gue...

A: Given that P ( c ) =1/6 , P ( w ) = 5/6 Find P ( WWWWC ) =? P ( exactly one correct answer ) = ?

Q: Refer to Table 1. Let F denote the event that the student intends to attend classes full-time in pur...

A: It is given that F denotes the event that the student intends to attend classes full-time in pursuit...

Q: A group of people were asked if they had run a red light in the last year. 455 responded "yes", and ...

A: The number of people who responded yes is 455 and the number of people who responded no is 310.

Q: Q3: For the regression Y; Bo+BX,+e. which of the following explains variation in Y, that is predicte...

A: In a regression model, the total variation is the sum of explained variation and unexplained variati...

Q: 102) 2х у - -35 9х - 7у - 14 :-7

A: We have given that  Two equation.  2x - 7y = - 35 9x - 7y = 14

Q: 16. Fit a binomial distribution to the following data : 2 4 3 1 х : 10 4 62 46 28 f

A: Given : x f 0 28 1 62 2 46 3 10 4 4

Q: There are 7 male students and 22 female students in a class. If you choose 2 students at random, fin...

A: We have given that 2 Number of Male students =7 Number of female students =22 Total possible cases =...

Q: Over the past several months, an adult patient has been treated for tetany (severe muscle spasms). T...

A: a) Step-by-step procedure to find the mean and standard deviation using TI-84 calculator:  Enter ST...

Q: find the expected mean and variance of gamma distribution using mgf. Use X~Gamma (r, lamba)

A:

Q: The lifetime of disc brake pads varies according to a normal distribution with mean µ = 50,000 miles...

A: According our policy we can answer only first three subpart for remaining please repost the question...

Q: The heights of a large group of women averaged about 64.8 inches, with an SD of about 2.4 inches. Us...

A:

Q: What is the distribution of ¯xx¯? ¯xx¯ ~ N(,) For the group of 7, find the probability that the aver...

A:

Q: An American roulette wheel has 38 slots: two slots are numbered 0 and 00, and the remaining slots ar...

A:

Q: (a) Below is the extract of the first few questions in the questionnaire. Define the type of variabl...

A: QI) As variable takes outcomes Business, Engineering, Arts or Science.  Hence given variable is Cate...

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.38%. A random sample of 32 of thes...

A:

Q: 49. It is estimated that 63% of Americans will watch the Masters golf tournament and only 48% will w...

A:

Q: carpet manufacturing cleaning company has a seasonal pattern of daily mail volume every week. The fo...

A: Data given for week 1 & 2 We have to forcast the volume for each day of week if 30,000 piece to ...

Q: Q5. Find the conditional probability Pr(B|A) Prob. Venn Diagram Incomplete Carroll diagram A 0.3 0.1...

A:

Q: Based on article published in  toronto, the total response time (the time it takes gefore the fire f...

A: We have given that  4, 8, 10,  5 ,6, 4, 12,  15, 16 ,7 ,6 Mean = sum of all observations/total numbe...

Q: monty has a collection of 50 pairs of shoes consisting of 18 nike, 20 jordan, 9 adidas, ans 3 reebok...

A:

Q: Based on the image attached, it shows a scatterplot of daily coffee consumption vs. IQ level. Based...

A: The scatterplot shows the daily coffee consumption vs. IQ level.

Q: You are working part-time at a road construction firm. Your boss knows you are learning some statist...

A: Solution: n= 51 Sample size  ∑x=7438.46x=∑xn=7438.4651=145.8522  Sample mean σ=2.75 Population stand...

Q: In 2003, Major League Baseball took steps to speed up the paly of baseball games and make games a mo...

A:

Q: Question 3 A small local business has an average of 130 customers per day, with a standard deviation...

A:

Q: Confidence level Critical value 0.90 z = 1.645 0.95 1.960 %3D 0.99 z* = 2.576 %3D 377308.2364912.gx3...

A: Given data    confidence level         critical value        0.90                            z*=1.64...

Q: From the following data of age of 11 persons. Find the median age. Age in years : 30, 26, 17, 25, 14...

A: Given that  The data are 30, 26, 17, 25, 14, 31, 22, 28, 16, 33, 23.