Use the finite population correction factor since the sample size is more than 5% of the population size.)

Q: A rowing team consists of four rowers who weigh 18, 24, and 36 pounds. Find all possible random…

A:

Q: a coin is tossed repeatedly until a head comes up. Find sample space.

A: If a coin is tossed then we get Head (H) or Tail (T) Sample space for 1 coin tossed : {H,T} But here…

Q: The required sample size is (Round up to the nearest whole number as needed.) Does the sample size…

A: Sample mean is within 0.014 of the population mean, Margin of error=0.014 At 98% confidence…

Q: Sample size is larger if

A: Sample size is large if we can make statement for population from it.

Q: Based on that, the required sample size to estimate the population mean is equal to?

A: It is given that Margin of error E = 4 Level of confidence = 95% Population SD = 29 The critical…

Q: Random sampling is the best sampling technique because it guarantees that our sample will be…

A: Given: Random sampling is the best sampling technique because it guarantees that our sample will be…

Q: The required sample size equals:

A: It is given that, H0: μ = 13.50 Vs. H1:  μ>13.50. The sample mean based upon some sample size =…

Q: Again, without performing any calculations, what would be less likely to occur: Obtaining a sample…

A: Z = x¯-μσ/n~N(0,1)

Q: n. How large of a sample size is required?

A: here MOE  = 0.03 p =0.28 z critical for 95% confidence level = 1.96 s

Q: sampling

A: Here sampling is without replacement so once a element drawn then not returned

Q: Consider the population consisting of the values (1, 3, 8) i. List all the possible samples of size…

A: Given : Population size (N) = 3 (1,3,8)

Q: A rowing team consists of five rowers who weigh 152, 159, 162, 150 and 156 pounds. Find all possible…

A: The formula for combination is nCr = n! / [r! (n – r)!] = [n (n – 1) … (n – r + 1)]/r!. Explanation:…

Q: The central limit theorem says that the sampling distribution of the sample mean is approximately…

A:

Q: (a) Define the sampling frame and elementary unit.

A: We need to define sampling frame and elementary unit.   Note: According to Bartleby expert…

Q: what is the finite population correction factor if the size of the population is 250 and the sample…

A: Given: Size of population (N) = 250 Sample size ((n) = 20

Q: What is the value of the finite population correction factor given a population consisting of 1, 2,…

A: Solution-: Given: sample size =3 Population data: 1,2,3,4,5 So, Population size=5  we find the value…

Q: 4. (填空题, 2.0分) Give the sample space of rolling a six-sided die_

A: We have given the following statement about the dice.   A Set of all possible  outcomes  as the…

Q: Draw all possible samples of size 2 with replacement from a population consisting of 2, 5, 6, 8, and…

A: Given We need to Draw all possible samples of size 2 with replacement from a population consisting…

Q: Suppose that you want to compare the means of three populations by using the Tukey…

A:

Q: Assume that the population consists of only these eleven data points for y and z. Construct one…

A: It was stated to assume that the population consists of only these eleven data points for y and…

Q: The minimum sample size needed is Is this sample size practical?

A: In the table the minimum samples sizes are given for various situations.

Q: o satisfy the desired margin of error, a sample size no smaller than is needed.

A: Given that Margin of error, E = 0.03 Confidence level is 95%, then the critical value of Z is 1.96…

Q: How many possible samples of size 5 are possible from a population of size 70?

A: Combination Rule: The arrangement of r objects from n different objects is given by:

Q: Suppose we are using systematic random sample and we want to select a sample of 100 units from a…

A: From the given information, population size N = 21156. Sample size n = 100. Starting point of the…

Q: Samples that are not chosen randomly from the population might exhibit bias   True  False

A: Drawing the sample from population is known as sampling procedure. If we did not choose appropriate…

Q: How to find the minimum sample size required to estimate and unknown population mean?

A: To find the minimum sample size required to  estimate and unknown population mean,We can use Cochran…

Q: Given the six-element population 8, 12, 15, 18, 21, 27, 32 and 36. How many samples of size 2 can be…

A: Given N = 8 n = 2 The number of samples of size 2 that can be drawn without replacement from the…

Q: What are the conditions to satisfy to conduct a one-sample t-test for the population mean

A: Determine the conditions that used to satisfy to conduct the one-sample t-test for the population…

Q: A rowing team consists of three rowers who weigh 18, 24, and 36 pounds. Find all possible random…

A: The all possible random samples of size 3 from a population of size 3 is 33 = 27 The given weights…

Q: Describe the finite population correction factor for the sampling distribution for the proportion…

A: Finite population correction factor is used to adjust a variance estimate for an estimated mean, so…

Q: 9. What method of sampling where all elements of the population are given equal chance of being…

A: Simple random sampling : Simple random sampling is a kind of a probability sampling in which analyst…

Q: 16. Explain the sampling method which involves selection of a block(s) of contiguous items from…

A: To discuss Block sampling method

Q: a) Compute the population mean of the patients' age. b) Construct a table for a sample means of size…

A: 38,48,50,84 a) Mean=Sum of observations/No: of observations =38+48+50+84/4 =220/4 =55

Q: 1 The sample size must be increased by a factor of to decrease the margin of error by a factor of 2…

A:

Q: HA is the distribution of sample means according to the alternative hypothesis. Shade in the area…

A: type 1 error is rejecting null hypothesis when it is true

Q: 2. Prove that the simple random sampling without replacement is more efficient than simple random…

A: Hi! Thank you for the question. AS per the honor code, we are allowed to answer only one question at…

Q: Find kortosis of sample of 10 data 2,3,4,5,5,6,6,8,9,9

A:

Q: A researcher wishes to​ estimate, with 99​% confidence, the population proportion of motor vehicle…

A: (a) Obtain the sample size of a no preliminary estimate for p. The formula of sample size is,   Use…

Q: If the alternate hypothesis states that p does not equal 4,000, what is the rejection region for the…

A: Given ,  alternate hypothesis Ha:μ≠4000

Q: A rowing team consists of five rowers who weigh 152, 159, 162, 150 and 156 pounds. Find all possible…

A: Given: Weights of five rowers- 152,159,162,150,156 Sample size, n=3

Q: How many possible random samples of size n = 3 can be drawn from a population of size 10?

A: The sample size n is 3 and the population size is 10.

Q: What is the Optimal Sample Size?

A: To perform any survey, we always have priority to get good sampling size of the population . thanks…

Q: A marine biologist wants to estimate the average weight of a population of dolphins living in a…

A: Note: the options for the answers are not given. So, the answer is written in assumption. In order…

Q: When the sample size n is sufficiently large, the sampling distribution of the sample mean becomes…

A: We have to check the given statement whether it is true or not.

Q: Use Table, to draw a random sample (without replacement) of size 5 from a population of 24 units.

A:

Q: The method of selecting a desirable portion from a population which describes the characteristics of…

A: Sampling: The population is estimated by using the technique of Sampling. A sample is selected from…

Q: The minimum sample size needed is

A: Given Table:

Q: The symbole - over x represents the populationof all possible sample means of size n. True or false

A: See the handwritten solution

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.