Given the 5 categories in the table below, test the claim that the categories are equally likely to beselected at a a0.05 significance level.ObservedExpectedCategoryFrequency FrequencyA24B22D24E20a. Complete the table by calculating the expected frequencies.b. What is the chi-square test statistic? Round to three decimal places.c. What are the degrees of freedom?d.f.=d. What is the p-value for this sample? Round to four decimal places.P-value =e. Is the p-value less than a?f. Make a decision.Select an answerg. Make a conclusion.There is sufficient evidence to warrant rejection of the claim that all 5 categories are equallyLikely to be selected.O There is not sufficient evidence to warrant rejection of the claim that all 5 categories areequally likely to be selected.O The sample data support the claim that all 5 categories are equally likely to be selected.O There is not sufficient sample evidence to support the claim that all 5 categories are equallyLikely to be selected.

Answered: Image /qna-images/answer/3535ed3c-14ed-491d-9cfc-7615c2e84a14.jpg

Answered: a. Complete the table by calculating…

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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A sample mean is calculated from a sample of size 20. How many degrees of freedom does the sampling distribution of sample means have? 18 19 20 21
Consider 5 Consider the data below that shows the number of COVID cases of the fifteen barangays in Naga City: {4, 7, 0, 3, 2, 1, 2, 1, 5, 4, 1, 3, 2, 3, 1). What is the mean of the data? T Decile Find the 5.5th decile of the data: 62, 60, 37, 57, 55, 59, 57, 50, 49, 61
Determine whether the statement is true or false. If it is false, rewrite it as a true statement. A sampling distribution of a sample mean is normal only if the population is normal. Choose the correct answer below. O A. The statement is false. A sampling distribution of a sample mean is approximately normal if either n ≥ 30 or the population is normal. B. The statement is false. A sampling distribution of a sample mean is never normal. O C. The statement is false. A sampling distribution of a sample mean is approximately normal only if n ≥ 30. OD. The statement is true.
Please answer quickly!
Which statistic (mean, median, or mode) is most appropriate in each of the following situations? a. Tables in the dining hall are numbered 1 through 12 for students who eat there. The principal calls out a number for the table that will go through the buffet line first. The other tables follow in order of the table numbers. One student is sure the principal calls certain tables more often. She keeps track of which numbers are called over a 21-day period. Mean O Median Mode b. The offensive line of a football team is larger than in previous years. The program will list a statistic to show this fact. O Mean O Median Mode c. A reporter is doing a story on the falling prices of homes in a large neighborhood. The reporter wants to demonstrate how the prices have fallen for the typical home, not just the most expensive houses. Mean O Median Mode
n, where k is the percentile and n is the sample size. Given a sorted sample of 234 IQ scores, what is the value of the 40th percentile? 100 When finding the value of a percentile, the location of that value is L = Choose the correct answer below. O A. The 93rd IQ score in the sorted list O B. The 40th IQ score in the sorted list. O C. The 94th IQ score in the sorted list O D. The IQ score midway between the 40th and 41st scores in the sorted list.
INSTRUCTION: Perform an appropriate statistical test using the dataset (Sheet name: Raw Data) if a researcher would like to determine if there is a significant difference in the "Serum Creatinine (SCr)" between ages "Under 60" and "60 and Above"? Dataset for this can be retrieved on the given Excel. 1. What is the computed p-value for the given data on the Serum Creatinine (SCr) between "Under 60" and "60 and Above"? Round it off to two decimal places. Then, answer (YES or NO) if there is a significant difference in the Serum Creatinine (SCr) between "Under 60" and "60 and Above"? 2. What is the computed Mean of "Under 60" on the given data for Serum Creatinine (SCr)? Round it off to two decimal places. 3. What is the computed Standard Error of "60 and Above" on the given data for Serum Creatinine (SCr)? Round it off to two decimal places.
Answers only. Thank you An instructor recorded the following number of correct items (in a quiz with 10 questions) for the 12 students present: 7, 4, 2, 2, 2, 9, 10, 6, 7, 3, 8, 5. What is the level of measurement of the data obtained?* a. Ordinal b. Ratio c. Interval d. Nominal 2. The purpose of stratified random sampling is to make certain that* a. the sample is more representative of the target population than the accessible population. b. the participants chosen for the study are the ones most likely to react to the treatment. c. every member of the population has an equal chance of being selected for the sample. d. the sample proportionately represents individuals from different categories of the population 3. In a simple random sample, a. each member in the population has a chance of being included in the sample. b. not all members in the population are given the chance of being selected. c. each…
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Find the mean for the given sample data. Unless otherwise specified, round your answer to one more decimal place than that used for the observations. The students in Hugh Logan's math class took the Scholastic Aptitude Test. Their math scores are shown below. Find the mean score. 572 529 346 346 557 356 359 592 470 482

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