Do we need to use the TukeyHSD function on the ANOVA that test for differences in below ground biomass by treatment? Why or why not?

Q: Determine if the following statement is true or false. If you believe that the statement is false,…

A: Small values of χ2 imply that the null hypothesis in a chi-squared test is true. To determine if the…

Q: This Wine Stinks. Sulfur compounds cause "off-odors" in wine, so winemakers want to know the odor…

A: A) - The "other two simple conditions" refer to the assumptions of normality and independence in the…

Q: Assume that human body temperatures are normally distributed with a mean of 98.18°F and a standard…

A: (a) The percentage of normal and healthy persons considered to have a fever is obtained below as…

Q: Find the following percentiles for the standard normal distributi Round your answers to 4 decimal…

A:

Q: The weights of men are normally distributed with a mean of 76 kg and a standard deviation of 8 kg…

A: Answer: From the given data, X follows normal distribution mean (μ) = 76 Standard deviation (σ) = 8…

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A: The total number of male volunteers =808. The number of males, vaccine was given =328. The remaining…

Q: Find x₁ for x² distribution with 2 degrees of freedom. Xỏ.1 (Round the answer to 3 decimal places)

A: X follows chi-square distribution with 2 degrees of freedom

Q: Calculate the probabilities P(X=x) of the probability distribution of X. First, fill in the first…

A:

Q: Maryland, as the four U.S. cities with the highest percentage of millionaires (Kiplinger website).…

A: The data is given below,     City       Bridgeport San Jose Washington Lexington Park…

Q: how did you get the z a/2?

A: how did you get the z a/2?

Q: The necessary value for z Sample 1 Sample 2 n₁ = 400 n₂ = 300 P1 = 0.56 P₂ = 0.41 Substitute these…

A: The sample size for sample 1 is 400, sample proportion is 0.56 and sample size for sample 2 is 300,…

Q: A new beta-blocker medication is being tested to treat high blood pressure. Subjects with high blood…

A: n1=160,  n2=290 x1=80,  x2=159 Significance level: α=0.01

Q: Report the​ 95% confidence interval for the percentage of all young people who earned a high school…

A: From the given information, p-hat value is 0.86 and the sample size n is 1200.

Q: Calculate the mean for the given date set, 23,15,34,16,35,18,28,33,25,45

A: Answer: From the given data, 23,15,34,16,35,18,28,33,25,45 Sample size (n) = 10

Q: X1 17.9 22.8 There were 10 kitchens in the sample, so n₁ = 224 dollars. = 22.4 24.6 n1 27.2 + 18.4…

A: There were 10 kitchens in the sample.

Q: Using standard normal table or Excel function, Calculate the P(Z>0.67) Round to four decimals

A: Answer: Here, we have to calculate P(Z > 0.67) Using standard normal table or Excel function

Q: The mean length at birth of 14 male infants was 53 cm.  If the length of infant males is normally…

A: From the provided information, Sample size (n) = 14 Sample mean (x̄) = 53 Population standard…

Q: Question3.1- The time between the arrivals of the loggerhead sea turtles at the beach follows…

A: Let t be the arrival time of sea sea turtle ~ exponential distribution with mean = 9 minutes  i.e t…

Q: The probability that a randomly chosen sales prospect will make a purchase is 20%. What is the…

A: Obtain the probability that the salesperson will make four or more sales if six sales calls are made…

Q: In the book Essentials of Marketing Research, William R. Dillon, Thomas J. Madden, and Neil A.…

A: Computer Assisted Ordering Below industry Average Delivery Time equal to Industry Average Above…

Q: It's proposed that the average life expectancy these days is 72.4, but recent data suggests it might…

A: Mean(x)=74 standard deviation(s)=20.2 sample size(n)=82 significance level(α)=0.10 Given null and…

Q: The National Center for Health Statistics reports that the LDL cholesterol for adults has a mean of…

A: Sample size n=23 Sample mean=144.3 Population standard deviation =40

Q: The height of students are normally distributed with mean 156 cm and standard deviation 22 cm for a…

A: Answer: From the given data, mean (μ) = 156 Standard deviation(σ) = 22 Sample size(n) = 44

Q: For each of the following experiments, state the sample space S. a. A pair of dice is to be rolled,…

A: a. A pair of dice are rolled.

Q: Claim: Fewer than 10.5% of homes have only a landline telephone and no wireless phone. a Express the…

A: The hypothesized proportion is 0.105.

Q: Critical values for quick reference during this activity. Confidence level Critical value 2 = 1.645…

A: Margin of error=3.54%=0.0354  We have to find number of voters should be sampled for 99% confidence…

Q: Using standard normal table ar Excel function find the probability, Calculate the P(Z>0.65)…

A: Answer: From the given data, X follows normal distribution,

Q: 3. Control Charts for X and s are maintained on the resistance in ohms of an electrical part. The…

A: Given that, Subgroup size (g)=20∑i=1gX¯i=3046.5∑i=1gsi=47.4 To find the control limits for X¯-s…

Q: The following data give the percentage of women working in five companies in the retail and trade…

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

Q: Generally, what is plotted on the x-axis and y-axis on a timeplot?

A: In a time graph, also known as a time series graph, the x-axis usually represents time and the y-…

Q: Suppose a certain state university's college of business obtained the following results on the…

A: Finance majors: Sample size n1=140 Sample mean x¯1=48337 Sample standard deviation s1=19000 Business…

Q: L1. Using the central limit theorem, show that, for large n, the binomial distribution B(n, p)…

A: Using the central limit theorem, show that, for large n, the binomial distribution B(n, p)…

Q: A race director is preparing for an upcoming marathon and estimates that the mean time to finish is…

A: Here, μ=308 and σ=54

Q: K A simple random sample of front-seat occupants involved in car crashes is obtained. Among 2740…

A: That is, there is no evidence to conclude that the seat belts are effective in reducing fatalities.…

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A: The sample one size  n1=190 The favorable outcome is sample one X=71 The sample two size  n2=130 The…

Q: onsider a 30-year fixed-rate home loan of $406,500 with an interest rate of 5.125%. What is the…

A: Given,  P = Loan Amount = $406,500 r = Periodic Interest rate = 5.125%/12 = 0.0043% n= no of periods…

Q: Which of the following is NOT a requirement for using the normal distribution as an approximation to…

A: When the sample size is quite big, the normal approximation is utilized. A normal random variable…

Q: Calculate the following with your data. 5 Number Summary - Min, Q1, Median, Q3, Max Mean Mode Range…

A: 254 180 420 360 780 120 185 40 587 120 120 390 240 240 300 240 420

Q: a) Discuss the four levels of measurement of variables giving appropriate examples of each category.…

A: Here we have given three questions and some data set are also given.

Q: The director of admissions at a state college is interested in seeing if admissions status​…

A: The variable admissions status​ contains admitted, waiting​ list, denied​ admission and the variable…

Q: According to recent data, 12 percent of people are left handed. In a sample of 20 people, how many…

A: Answer: Using the given data, Let X denotes the number of people who are left handed P(left handed)…

Q: p. P(Z ≥ 1.4) = Ketch the curve corresponding to this probability Shade: Left of a value -4 -3 -2 ✓.…

A: Z has follows standard normal distribution with mean zero and standard deviation one.

Q: 1) Find the number of ways to arrange the word PROBABILITY

A: " PROBABILITY "  letter ' B ' is repeated 2 times letter ' I ' is repeated 2 times Total no.of…

Q: During the first 13 weeks of the television season, the Saturday evening 8:00 P.M. to 9:00 P.M.…

A: During the first 13 weeks of the television season, the Saturday evening 8:00 PM. to 9:00 PM.…

Q: What can you say about the probability of a certain event if (a) the probability is 1, (b) the…

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

Q: A personnel manager has found that, historically, the scores on aptitude tests given to applicants…

A: Answer  Sample size [n] = 11 Sample mean =[x] =70.76 Standard deviation =24.09 Confidence interval =…

Q: Use the fair division method to solve the following problems. 1. Five friends purchase a strawberry…

A: Five friends purchase a strawberry cake and a red velvet cake to share. Each cake is $30. The 5…

Q: is selected from a normal population. The sample mean is 66, and the deviation is 5. Conduct a…

A: sample size(n)=32 Mean(x)=66 population standard deviation(σ)=5 significance level(α)=0.10 claim is…

Q: A and B are two events with P(A) = 0.36, P(A and B) = 0.23, P(A|B) = 0.44 Find P(B) Round to two…

A:

Q: Step 7 An upper tail area should be found since the test statistic, z = 2.13, is positive. The area…

A: To find the area to the right of z = 2.13, we can subtract the area to the left of 2.13 from 1.…