QUESTION 17 The degrees of freedom for a data table with 10 rows and 10 columns is a. 100. b. 81. c. 18. d. 20.

Q: Let X and Y be independent exponential random variables with parameter 1. Find the cumulative…

A: Given Information: X~Exp(1)Y~Exp(1)X and Y are indep. r.v. Find: The distribution function Z=XX+Y

Q: Executives of a supermarket chain are interested in the amount of time that customers spend in the…

A: From given data we have  μ=38

Q: Consider the time series data set of 200 observations modelled as an AR(2) process x₁ = 0.9 x₁-₁-0.2…

A: Given the time series data set of 200 observations modelled as an AR(2) process :…

Q: A Pew Internet poll asked 4272 U.S. adults about their use of smart watches and fitness trackers. A…

A: Given that  Total Number of adults about their use of smart watches and fitness trackers n = 4272…

Q: Suppose that the scores on a reading ability test are normally distributed with a mean of 60 and a…

A: normal distribution,μ=60σ=9we have to find out the proportion of individual score more than 63…

Q: - 1 Dozen Eggs 1.79 1.77 0.89 1.53 0.88 1.85 1.28 1.60 1.75 1.28 Price of eggs and milk: The…

A: From the given information we make the following table Dozen Eggs(x) Gallon of Milk(y) x2 y2 xy…

Q: An experiment was conducted to see if elderly patients had more trouble keeping their balance when…

A: Given  x̄1=26.33, x̄2=18.13, n1=9,n2=8, s1=9.77, s2=4.09

Q: In what way the ordinary sign test can be used for paired samples?

A: The ordinary sign test is a non-parametric test. A paired sample data comes when the experiment has…

Q: Q. 47 How can you make multiple comparison in Friedman's test when H, is rejected?

A:

Q: b) Suppose a variable is normally distributed. What percentage of scores fall between two standard…

A: Let the variable X is normally distributed with mean μ and standard deviation σ.

Q: n a large clinical​ trial, 400,387 children were randomly assigned to two groups. The treatment…

A: Given that  Total sample size n=400387 Favorable cases x1=40  , x2=156

Q: To estimate the percentage of a species of rodent that carries a specific viral infection, 150…

A: given data, n=150x= no. of infected =81CI=0.95α=1-0.95=0.05Zc:=Zα/2=Z0.05/2=Z0.0250=1.96 [from excel…

Q: Park officials make predictions of times to the next eruption of a particular geyser, and collect…

A: The null and alternative hypotheses are  as follows: H0: µ =0 H1: µ ≠0

Q: Question 1. Suppose A and B are events with P(A) = ½, P(B) and 113 P(A or B) = a) Are A and B…

A: Given that  P(A) = 1/3 , P(B) = 1/4 , P(A or B) = 1/2

Q: (c) A scout on a camping trip is requested to find some dry sticks of length at most one metre to…

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

Q: Find the z score for 55 and 116 with data set below and underline awnser please. Please make sure it…

A: Given: n = 12 Formula Used: Z = X-Xs

Q: (a) Consider a t distribution with 16 degrees of freedom. Compute P(t2-1.29). Round your answer to…

A: (a) The given degrees of freedom is 16.

Q: Deduction of the binomial distribution.

A: We have find  Deduction of the binomial distribution

Q: Suppose that scores on a particular test are normally distributed with a mean of 130 and a standard…

A: given data, normal distributionμ=130σ=17minimum score for top 20% =?p(X>Z)=0.20value of X=?

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

A: Null hypothesis: H0: μd = 0. Alternative hypothesis: H1:  μd >0. Paired t-test statistic: In…

Q: A scout on a camping trip is requested to find some dry sticks of length at most one metre to use as…

A: Given that,f(x)=32x    ,0<x<1i)The mean length of the sticks thay the scout brings…

Q: 1 (X₁, To test a proportion of defective items one draws a sample X₁ = population with an unknown €…

A:

Q: In what way the ordinary sign test can be used for paired samples?

A: We have to find  In what way the ordinary sign test can be used for paired samples

Q: (a) Consider a t distribution with 2 degrees of freedom. Compute P (t≥ 1.95). Round your answer to…

A: From given data we have : df = degrees of freedom = 2

Q: was determined for 18 randomly selected insulin-dependent diabetics. ASSUME these 18 individuals…

A:

Q: ard deviation of test scores on a certain achievement test is 10.6. A random sample of 100 scores on…

A: Given that  Sample size n =100 Sample mean=71.9 Standard deviation =10.6

Q: If X=95, S=25, and n=36, and assuming that the population is normally distributed, construct a 95%…

A: given data sample size (n) = 36sample mean ( x¯ ) = 95sample standard deviatio (s) = 2595% ci for…

Q: The mean starting salary offered to graduating students with a certain major in a recent year was…

A: Given  Population mean μ=64230, standard deviations σ=3643  n=75

Q: 10 The manager of the service department of a local car dealership has noted that the service times…

A: Given  n=16, s=5, level of significance=0.05

Q: In hypothesis testing, does choosing between the critical value method or the P-value method affect…

A:

Q: (d) Benford's law can be used to detect fraudulent financial records. Further investigation of a…

A: The question is about confidence interval Given : Randomly selected no. of digits ( n ) = 250 Sample…

Q: The following data lists the ages of a random selection of actresses when they won an award in the…

A:

Q: What treatment is metted to Chi-square having large degrees of freedom?

A: Chi square having large degrees of freedom:

Q: Worksheet #10 An analyst for a shopping district would like to determine the rent that should be…

A: As per our guidelines I can solve only first three 3 subparts. Kindly post the remaining subparts…

Q: Thanks to an initiative to recruit top students, an administrator at a college claims that this…

A: From given data we have : Number of sample (n) = 21   Sample mean (X―) = 112   Sample Standard…

Q: U=(2, 7, 8, 9, 15, 17, 19, 22, 24, 31, 39, 42, 45, 50} A=(2, 7, 8, 15, 16, 24, 31, 42) 17 8, 17, 19,…

A: We have complete Venn diagram 1.. U={2,7,8,9,15,17,19,22,24,31,39,42,45,50} A={2,7,8,15,19,24,31,42}…

Q: Pass the ball: The following table lists the heights (inches) and weights (pounds) of 8 National…

A: By using excel regression  Excel> data>data analysis > regression > input data >…

Q: (a) Consider a t distribution with 2 degrees of freedom. Compute P(-1.06<t<1.06). Round your answer…

A: As per given information we have to solve part (b) of the given questions  We have given that Degree…

Q: What is 10% of 21

A: The bill amount comes to $21 plus 10% tax.

Q: Wire electrical-discharge machining (WEDM) is a process used to manufacture conductive hard metal…

A: Method: by using the critical value of chi-square to find the confidence interval for standard…

Q: K Match these values of r with the accompanying scatterplots: -0.996, 0.692, 0.349,-0.692, and 1.…

A: Solution: Scatter plot: Scatter plot is a graphical technique which is used to determine the  linear…

Q: ssing 2 more questions

A: here we have to use Empirical rule  68% of the values are contained in μ-σ to μ+σ 95% of the values…

Q: For a data set obtained from a sample of size n = 64 with x = 44.25, it is known that o = 5.5. (a)…

A:

Q: In a study concerning the influence of milk on growth, TWO equally sized groups of children are to…

A: Power is the probability of the rejecting the type II error. It is the probability of rejecting the…

Q: Claudia’s bakery business has taken off. Her goods are so popular that she has decided to invest in…

A: Given n=18 Standard deviation=0.33 Variance=0.15

Q: Fill in the blanks. A scatter diagram locates a point in a two dimensional plane. The diagram…

A: It is given that the statement about to the scatter diagram. Here, need to find out the correct…

Q: Testing: H0:p = 0.66 H1:p < 0.66 Your sample consists of 73 subjects, with 51 successes. Calculate…

A: Testing:   H0:p = 0.66 H1:p &lt; 0.66   Your sample consists of 73 subjects, with 51 successes.…

Q: what would the p-value for this be? thank you !

A:

Q: Below shows the graphical output for the cut to length sticks. Which set would be easiest to change…

A: The set which would be easiest to change will be the one which will have highest capability to meet…

Q: Fill in the source table below based on your knowledge of the mathematical relationships between…

A: Source df SS MS F Between 2     9.17 Within   104.8   Total 14…