The population of a certain academic department is composed of 5,000 students from 1st year to 5th year. Using the Slovine's formula and the given thedifferent values of margin of error (1%, 5%, and 10%, respectively), compute for the sample size. Input your MS Excel/Google Sheet formula on the cellswithin an indicated '?' symbol.Sample sizeSample sizeSample sizeRespondents1st year2nd yearPopulation12501000?3rd year750??4th year5th year1500?500?Total5000Using the calculated sample size at different levels of margin of error (1%, 5% and 10%, respectively), compute for the number of samples to be takenfrom each year level such that it is proportionate to the group size. Input your MS Excel/Google Sheet formula on the cells within an indicated ?' symbol.

Estimating the sample size (n) when Population is finite and known. The formula is developed by…

Answered: The population of a certain academic…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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DII Given below are the sample means for fifteen samples consisting of five data values each. Assume that the mean of the sample means is ten and the computed values for the UCL and LCL of the chart are 15 and 5, respectively. Below is the chart. Is this process in statistical control? Why or why not? Select the best answer choice. Sample 1 2 3 Mean 9 11 6 17+ 16- 15 14+ 13+ 12+ 11+ 10- 9. 8+ 7- 6 5 4. 3- 2- 1- R Submit Question $ F4 % -1 + O No, because there are eight consecutive points all above or all below the centerline. O No, because there is a point lying beyond the upper or lower control limit. O No, because there is a pattern, trend, or cycle that is obviously not random. O No, because more than one of the answer choices above are correct. O Yes, this process is within statistical control. 5 T 4 5 12 9 ▬▬ FS 6 7 8 11 7 8 6 6 Y H 49 9 10 12 16 F6 8 & 7 9 U 11 12 6 13 J 10 F7 11 13 14 15 12 11 7 8 12 PrtScn 13 FB K 15 9 UCL centerline LCL Home 16 Q F9 L ) End 0 F10 A PgUp ☎
Sample proportion is 18%. Population proportion is 13%. Sample Size is 400. Calculated value of test statistic Z is a. -2.97 b. 2.97 c. 4.97 d. -4.97
Based on historical data at Portland State University, we believe that 44% of first year students do not visit their advisors regularly. For this year, you would like to obtain a new sample to estimate the proportion of first year students who do not visit their advisors regularly. You would like to be 99% confident that your estimate is within 4% of the true population proportion. How large of a sample size is required? Do not round mid-calculation. Give answer in whole people. n=
In a recent year, the Better Business Bureau settled 73% of complaints they received. You have been hired by the Bureau to investigate complaints this year involving computer stores. You plan to select a random sample of complaints to estimate the proportion of complaints the Bureau is able to settle. Assume the population proportion of complaints settled for the computer stores is 0.73, as mentioned above. Suppose your sample size is 113. DO NOT USE THE EXCEL FORMULA. CALCULATE BY HAND OR WITH A CALCULATOR. 1. What is the probability that the sample proportion will be within 4 percent of the population proportion?
You want to obtain a sample to estimate the proportion of a population that possess a particular genetic marker. Based on previous evidence, you believe approximately 69% of the population have the genetic marker. You would like to be 95% confident that your estimate is within 5% of the true population proportion. Do not round mid-calculation and be careful when you round your answer. How large of a sample size is required? n=
A random sample of employees participating in a company fitness program were asked how many days they logged an exercise activity in the past month. Their responses are reported in the histogram below.Based on the histogram above, what is the class width? Clas width = ? Days What is the sample size? Sample size = ? employees
Determine the sample size associated with the following formula. Remember to always round up to the next highest whole number. ?=[(1.96)⋅(3.56)0.16]2n=[(1.96)⋅(3.56)0.16]2
374 is 22% of the sample size. Find n
A box contains 70% of tickets labeled 1 and 30% of tickets labeled 0. We draw 500 times with replacement from this box. What is the standard error of the sample percentage of 1's? Group of answer choices 0.46% 1.08% 2.05%
You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 95% confident that the sample percentage is within 1.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. n= (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 38% of air passengers prefer an aisle seat. @ 2 S n= (Round up to the nearest integer.) x дв nd # 3 E D BO C $ R F V 5 T G 6 B Y H 7 N *99 U J . 8 DHE I M ( 9 K be O O L 1 P command Time Remaining: 01:09:52 > ; I { [ option ? | . Next 1 delete
Statistical tests are more accurate if there is a sample size of n > 30. how will a sample size of n = 20 effect the results of a test?

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