and o from the given parameters of the population and sample size. Determine H= 84, o = 8, n= 64

Q: 5. Find the minimum sample size n needed to estimate the population mean for the give ralues of c,…

A: a. Given information; c=0.90sd=6.8E=1 Significance level is α=1-c=1-0.90=0.10 From the standard…

Q: This box and whiskers was created from a random sample of new 1993 cars. The city gas milage (in…

A: a box plot—displays the five-number summary of a set of data.The five-number summary is the minimum,…

Q: nple of size 9, degrees of freedom is equal to

A: The degrees of freedom can be calculated as:  DF = n-1 Here, n = sample size

Q: 1. N = 10, 000 and e = 1% %3D 2. N = 15, 000 and e = 5% 3. N = 30, 000 and e = 10% %3D

A: Given : N : Population size e : Margin of error 1. N = 10,000 and e = 1% = 0.01 2. N = 15,000 and e…

Q: In calculating the sample variance, we subtract one from the sample size. This is because A. The…

A: Variance: The variance is the expectation of the squared deviation of a random variable from it's a…

Q: At a university,a professor is interested in whether the size of tableware influences how much…

A: Since, we only do up to three sub parts of a problem, we'll be doing the first three sub parts only.…

Q: Find the sample VARIANCE of the following: 7 31 24 17 48 14

A:

Q: Give the formula for finding out the combined (pooled) mean of three samples when their means and…

A:

Q: Consider a population consisting of 5 units with the following values of a variable Y: 29, 87, 94,…

A: Given : Population size (N) = 5  Values : 29 , 87 , 94 , 10 , 13 Sample size (n) = 3

Q: Find the required sample size, n, if c=0.89, E=0.05, and  is unknown.

A: Solution: Given, c=0.89 E=0.05 Proportion is unknown. The critical value for zα/2 =1.598 using Excel…

Q: Determine and o, from the given parameters of the population and sample size. H=85, o = 18, n= 36

A: Given,μ = 85σ = 18n = 36

Q: find the minimum sample size and need to estimate the mean for the given values of c, sd, and margin…

A:

Q: A student decides to spin a dime and determine the proportion of times it lands on heads. The…

A: given

Q: find the sample proportion with n=1,120 and x=616

A: The random variable X is normally distributed. X ~ B (n, p) The sample size is 1120. The number of…

Q: According to the CLT, the standard error A. decreases, gets smaller as the sample size n B.…

A: We have given that, According to the CLT, the standard error__as the sample size n __ We have to

Q: Find sample size CI=75% E=3.61 Stand. dev.=6.78

A:

Q: Determine u; and o; from the given parameters of the population and sample size. u= 73, o = 12, n =…

A: From the provided information, µ = 73, σ = 12 and n = 36

Q: Consider the following sets of sample data: A: 136, 99, 118, 134, 120, 130, 131, 135, 115, 118, 118,…

A: Coefficient of Variation : It is a typical measure of variation, which measures the relative…

Q: I am interested in doing a survey. I want to know the average GPA of WVU students within .1. I want…

A: From the Standard Normal Table, the value of z* for 95% level is 1.96.

Q: Construct the sampling distribution of the sample mean for the following population and with the…

A:

Q: When finding the t-value, how many degrees of freedom do we have from a sample size of n=10?

A: Degrees of freedom = n-1

Q: The following sample set is giveh. 172 172 173 173 169 175 165 170 Find the sample variance. Please…

A:

Q: Prof. Gersch constructs a 95% CI for an unknown population mean. If Prof. Gersch instead wants to…

A: We have to find correct answer from given options..

Q: If the sample size is n=16 what is likely true about the shape of the population?

A: Solution:  Central limit theorem: The central limit theorem state that as the sample size increases…

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

A:

Q: Forty-minute workouts of one of the following activities three days a week will lead to a loss of…

A: Given information: The data represents the number of calories burned during 40-minute workouts for…

Q: Consider the example from the previous problem, in part (b). The sizes (in grams) of Latavia's 14…

A: Please note that as per our guidelines in a multiple sub-parts question we can answer the first…

Q: Find the population mean or sample mean as indicated. Population: 6, 9, 2, 12, 13, 24 A) x = 12 B) =…

A: We know,  Sample mean is arithmetic mean of the sample data drawn from population. It is represented…

Q: A population consist of numbers 3,6,9,12, and 20 and the sample size n=3 (apply the 8 steps ,upload…

A: Population Numbers are 3 6 9 12 20 From the given population samples are prepared with size 3…

Q: The weights of seven boxes of cereal are: {12 oz, 10 oz, 8 oz, 9 oz, 10 oz, 13 oz, and 15 oz}…

A:

Q: Draw all possible samples of size 3 without replacement from the population (93), (94), (95), (96),…

A: Possible samples 93,94,95,96,97,98

Q: ter screens were randomly selected from a large collection of computer screens in a company’s…

A: A sample is a part of the population, which is selected from the population and if the sample is…

Q: the possible samples of size 2 with replacement and without replacement.

A: A population consists of the data {c,d,f}. We Have to Write down all the possible samples of size 2…

Q: all possible samples each of size 2 from the population 12, 6, 24, 30, 18 using sampling with and…

A: Given, Population size: 12, 6, 24, 30, 18

Q: ven the random sample results below showing the percentages of people who support the death penalty,…

A: According to the scenario, the random samples of males and females are given. The samples are of…

Q: is computed from a sample and is used to estimate a population parameter.

A: 2. Parameter: The population parameter is the number that describes the population. Also, the…

Q: calculate the mean and ss for each of the following sample numbers 1,3,4,0

A:

Q: The population distribution of variable X consists of five values of 2, 5, 6, 8, and 9. Calculate…

A:

Q: A random sample of shoe lengths of 11 persons were measured and listed below. 11.5 cm, 12.2 cm, 12.2…

A:

Q: Draw all possible samples of size 2 WITH REPLACEMENT from a population consisting of 3, 4, 6, 8, and…

A: Population consists of 3, 4, 6, 8, and 9.The objective is to draw all possible samples of size 2…

Q: Assume you did an experiment with 3 groups and 16 subjects per group. The sample variances in the…

A: Given Information Number of Groups = 3 Total subjects = 16 x 3 = 48 s1 = 14 s2 = 16 s3 = 18…