The total marks scored by two students Max and moritz in 5 Tests aree 430 and 460 with standard deviation 4.3 and 2.3 respectively. A. find the coefficient of variation for the marks score of the two students. b. Who is more consistent in performance?

Q: The Department of Education would like to test the hypothesis that the average debt load of…

A: given data sample size (n) = 34sample mean ( x¯ ) = 18200population standard deviation (σ) = 4200α…

Q: On average, indoor cats live to 14 years old with a standard deviation of 2.3 years. Suppose that…

A: Normal table has utilized.

Q: Your medical research team is investigating the mean cost of a 30-day supply of a certain heart…

A: Given Mean=53

Q: For your chosen country, complete the table with quarterly (not seasonally adjusted) unemployment…

A: We have quarterly data for unemployment rate for the years 2000-2018.

Q: The piston diameter of a certain hand pump is 0.4 inch. The manager determines that the diameters…

A:

Q: In a randomized controlled trial, insecticide-treated bednets were tested as a way to reduce…

A:

Q: emale is randomly selected, find the probability that her pulse rate is less than 79 beats per…

A: Given that.   X~N( μ , ?)   μ=73    , ?=12.5   Z-score =( x - μ )/?

Q: For a random variable that is normally distributed, with µ = 1300 and σ = 250, determine the…

A: From the provided information, Mean (µ) = 1300 Standard deviation (σ) = 250 X~N (1300, 250) Sample…

Q: 0 df1=4 S

A: Given:                                  Standard Deviation (S1​) = 100…

Q: Find the indicated probability using the standard normal distribution. P(Z > -0.13) Click here to…

A: given data  standard normal distribution Z~N(0,1) P(z>-0.13) = ?

Q: O We cannot conclude that the population means differ. O We conclude that population mean 1 is less…

A: Sample mean  Sample standard deviation  Sample size  Group 1 x̄1 = 267 s1 = 37 n1 = 11…

Q: A random sample of n₁ = 213 people who live in a city were selected and 91 identified as a "dog…

A: n1=213x1=91n2=120x2=67α=1-0.90=0.10

Q: Let X3∼Bin(n,p), where n=201 and p=(22)/1000. Let Y3 be the Poisson approximation to X3. What is…

A: Followings are the Explanation of the question   Let X3∼Bin(n,p)   Binomial Distribution:- Let X3 be…

Q: The "Freshman 15" refers to the belief that college students gain 15 lb (or 6.8 kg) during their…

A: Given that, The sample data is given as: September April 73 75 75 82 57 58…

Q: Acceleration Time. Suppose the number of seconds required to accelerate to 60 mph depends on both a…

A: On the basis of the above output the intercept value is 25.41936066 that means if other factors are…

Q: Safeway puts out hundreds of turkeys in the weeks before Thanksgiving each year. Each weight varies…

A: given data  μ = 15σ = 1.4Z = 1.2; x = ?

Q: or the statement below, write the claim as a mathematical statement. Use proportions to state the…

A: given data  claim : 72% of college students did not use student loans to pay for college. here p =…

Q: o test whether the mean time needed to mix a batch of material is the same for machines produced by…

A: Answer: For Manufacturer  1: sample size (n1) = 4 sample mean (x̄1) = Σx1 /n1 =72/4 = 18 sample…

Q: State Ho and H₂ in words and in symbols. Then determine whether the hypothesis test is left-tailed,…

A: Given A reports claim that lung cancer  accounts for at most  20% cancer diagnosis

Q: A core assumption of linear regression is that the dependent variable and independent variables…

A: Log transformation is kind of taking log of given data to gain normality.

Q: In the Kruskal-Wallis test for the following data, what is the sum of the ranks for Sample 3? Sample…

A: Give the ranks for the three samples combinedly from lowest number to largest number. If there are…

Q: Consider the following information. Calculate the differences, d, (Use Sample 1 Sample 1 Sample 2 d₁…

A: From the provided information, The differences are as follow: di -0.1 -1.3 -0.7 -0.7 -0.2

Q: In an experiment designed to test the output levels of three different treatments, the following…

A: Given that  SST = 380, SSTR = 200, nT = 20

Q: In a program designed to help patients stop smoking. 198 patients were given sustained care, and…

A: GIVEN DATA, n=198p^=0.828α=0.01claim:78% of patients stop smoking when given sustained care .

Q: 3. It is reported that 85% of all freshman entering high school graduate on time with their class. A…

A: Given,n=145p=0.85

Q: Undergraduate GPAs It is desired to estimate the mean GPA of each undergraduate class at a large…

A: GivenMargin of error(E)=0.21standard deviation(σ)=1.27Confidence level=90%

Q: SS1=100 df1=4 SS2=196 df2=4 What is the pooled standard deviation?

A: Given SS1=100 df1=4 SS2=196 df2=4

Q: 19. Which of the following is not a legitimate assignment of probabilities? OA. The probability of…

A:

Q: In a random sample of males, it was found that 22 write with their left hands and 220 do not. In a…

A:

Q: Based on a survey, 37% of likely voters would be willing to vote by internet instead of the…

A:

Q: The proportion p of residents in a community who recycle has traditionally been 60%. A policy maker…

A: As per our guidelines we are suppose to answer only one question. Given,population…

Q: The Institute of Education Sciences measures the high school dropout rate as the percentage of 16-…

A: Since the hypothesis is one tailed (direction decrease).

Q: d) Calculate the test statistic. (give to 3 decimal places) A/ e) Determine the P-value. Give your…

A: Given that  Sample size n =45 Sample mean=176.9 Standard deviation =14.8

Q: margin of error. Then find the sample mean. ore manager reports a confidence interval of (43.1,81.9)…

A: Given Lower limit=43.1 Upper limit=81.9

Q: 24. Which of the following can NOT be true in order for an experiment to be considered binomial? OA.…

A: There are some requirements to an experiment to be a Binomial experiment. Note : Since you have…

Q: A hospital in a large city records the weight of every infant born at the hospital. The distribution…

A: Since posted multiple questions,  answering only first three sub parts, please repost the remaining.…

Q: Hi I'm sorry I didn't understand the part where it says card drawn is not a face card

A: In a standard deck there are 52 cards.

Q: In a random sample of males, it was found that 22 write with their left hands and 220 do not. In a…

A: The given claim is that the rate of left-handedness among males is less than that among females.

Q: You randomly select and measure the contents of 10 bottles of cough syrup. The results (in fluid…

A:

Q: QUESTION 1 A group of 64 randomly selected students, from all MTH213 sections at Zayed University,…

A: It is given that Sample size n = 64 Sample mean M = 74 Sample SD s = 4 Confidence level = 99%  The…

Q: you tell me how you got 100204?

A: From given data we have : sample size n=4 population mean μ=100 standard deviation s=20 sample mean…

Q: How does Alex Smith, quarterback for the Kansas City Chiefs, compare to Joe Flacco, quarterback for…

A:

Q: A box contains 10 bulbs, of which just three are defective. If a random sample of five bulbs is…

A: Given,no.of defective bulbs=3no.of non defective bulbs=7Total no.of bulbs=10

Q: 11. Suppose X and Y are random variables, c and d are constants. What is E(CX - DY)? OA. E(X) - E(Y)…

A: Let E(X) be the expected value of X and E(Y) be the expected value of Y. Note : Since you have asked…

Q: A newspaper published an article about a study in which researchers subjected laboratory gloves to…

A: Given: n1 = 235 p1 = 0.56 n2 = 235 p2 = 0.15 α = 0.01 Formula Used: Test-statistic Z =…

Q: The following residual plot has been created as part of the diagnostics of a simple linear…

A: There are 4 assumptions of linear regression model.

Q: A newspaper published an article about a study in which researchers subjected laboratory gloves to…

A:

Q: A manager believes that 52% of the citizens own 2 or more vehicles. A survey of 822 residents found…

A: Given n=822 x=456

Q: Use the ALEKS calculator to solve the following problems. (a) Consider a t distribution with 24…

A: (a) Given: Degrees of freedom is 24 Required: To find P-1.10<t<1.10

Q: According to a report done by S & J Power, the mean lifetime of the light bulbs it manufactures is…

A: Since you have posted multiple questions we will provide the solution onlyto the first question as…