13) Likelihood ratio test: You have a sample from a gamma distribution. You know that B = 5 and that n> 100. You would like to do the following test: Ho: a = 2 H: a+2.

Q: Suppose we have two normal populations denoted A and B, and we want to compare their population…

A: Let the sample variance of A be SA2, the according to question the variance of B will be…

Q: population, assume the probability ng a boy is , the probability of having a girl is , and this is…

A: Here use given probability and sample space for making table of sample proportion and its…

Q: A chi-square homogeneity test is to be conducted to decide whether a difference exists among the…

A: According to the given information in this question We need to find the degree of freedom of chi…

Q: For an independent samples t-test, if n1 = 6 and n2 = 5, what is df = ?

A: Given : n1 = 6 n2 = 5

Q: A grocery store manager wants to know if displaying cranberries near the entrance to the store…

A: P1 : Proportion of shoppers who buy Cranberries when they are near the store entrance. P2 :…

Q: A sample of n = 7 scores has M = 5. All of the scores are doubled. What is the new mean?

A: For a set of observations of size n, the mean is defined as M = Σx/n.

Q: You intend to conduct a goodness-of-fit test for a multinomial distribution with 8 categories. You…

A: A goodness of fit test is to be conducted for a multinomial distribution with 8 categories.Data is…

Q: Suppose that your sample size was 37, what is P(t<-1.74) (Negative 1.74)?

A: Given information- Sample size, n = 37 t-score = -1.74 We have to find the p (t&lt;-1.74). Degree of…

Q: Random variable X represents the number of successes in 35 Bernoulli trials. The probability of…

A: The following information has been given: X is a random variable represents the number of successes…

Q: You intend to conduct a goodness-of-fit test for a multinomial distribution with 4 categories. You…

A: We have to find df.

Q: Calcium is essential to tree growth because it promotes the formation of wood and maintains cell…

A: From the provided information, a) The hypotheses are as follow: H0: µ = 0.12 mg/L H1: µ ≠ 0.12 mg/L

Q: If a researcher were to increase a sample size from n = 30 participants to n = 80 participants, what…

A: Increase power

Q: The length of an adult anaconda snake varies uniformly from 7.1 to 18.3 ft. A researcher selects an…

A: The random variable X is the The length of the adult anaconda snake.  Therefore, option c) is…

Q: The sum of the squared deviation scores is SS = 20 for a sample of n = 6 scores. What is the…

A: The variance of the sample can be calculated as:

Q: the life of two brands of canned tires durability is a feature of interest to the manufacturer.…

A: (a) The hypotheses are given below: H0:σ12=σ22Ha:σ12≠σ22

Q: In each situation, find the value of the t-statistic for the sample mean x and give the value of…

A: The objective of this question is to calculate the t-statistic and the degrees of freedom for two…

Q: You intend to conduct a goodness-of-fit test for a multinomial distribution with 6 categories. You…

A: From the provided information, Number of categories (k) = 6 91 subjects were collected.

Q: damage Claims T a A random sample of 16 claims in the county reported the percentage of their wheat…

A: Given information Sample mean x̅ = 12.4% Population mean µ = 11% Sample size = 16 Standard deviation…

Q: A population of N = 6 scores has ΣX = 42. What is the population mean?

A: Given ,Population of N=6 scoresand Σx =42

Q: Is the statement below true or false? The distribution of the sample mean, x, will be normally…

A: Here  For sampling Distribution  As per Central limit theorem the Distribution of sample mean will…

Q: PE & SELF-ESTEEM 4 of 4 What is your statistical decision? A researcher is evaluating the…

A:

Q: For the distribution of sample means to be normally shaped, it must be derived from samples of at…

A: We have given that the distribution of the sample means to be normally shaped, it may be derived…

Q: For a sample of n=16 scores, how many scores are used to calculate the sample variance?

A:

Q: You want to see if a card dealer is favoring one suit over another. You observe the dealer pick a…

A: The categorical variable is outcome.We have to test whether the distribution of suits is not uniform…

Q: Select the best response. We take a simple random sample (SRS) from a population to studythe effect…

A: Here we want to know which Hypothesis test use.

Q: Researchers are utilizing an independent samples t-test. One sample has 52 participants, and the…

A: The formula for the degrees of freedom for the independent samples t test is,

Q: z

A:

Q: Find the expected frequencies if it is assumed that the number of absentees is independent of the…

A: The data is given on the number of pupils absent on particular days.DayOM125Tu88W85Th94F108Total500

Q: X is the number of defective parts in a sample of 10 randomly selected parts coming from a…

A:

Q: You intend to conduct a goodness-of-fit test for a multinomial distribution with 6 categories. You…

A: GivenNo.of catergories row (n)=6No.ofCategoriesin column(c) =6

Q: Never Married People The percentage of males 18 years and older who have never married is 30.4. For…

A: Let p1: Proportion of men Let p2: Proportion of women Population proportion of men=P1=0.304…

Q: You decided to plant roses. The probability that a planted roses seed germinates is 0.80. You plant…

A: Consider X be a random variable which follows binomial distribution indicates the number of roses…

Q: You intend to conduct a goodness-of-fit test for a multinomial distribution with 5 categories. You…

A: Number of categories (k) = 5To calculate the degrees of freedom for the chi-square goodness of fit…