Test IlI. Parameter and StatisticDirections: In each item, identify the parameter and the statistic. Write your answer on thespace provided each number. ( hl1. A researcher estimates that the average farm size in the Philippines is 800 acres. From asimple random sample of 50 farms, the researcher obtains a sample mean farm size of 845acres.2. A researcher estimated the average height of women aged 20 years old or older bytaking 45 samples. The values are 50 inches and 73.9 inches, respectively.

Population is the whole set of observation in the data set. The unknown value of the population is…

Answered: Test III. Parameter and Statistic…

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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Construct a stem-and-leaf display of the data. What appears to be a representative strength value? Do the observations appear to be highly concentrated about the representative value or rather spread out? b. Does the display appear to be reasonably symmetric about a representative value, or would you describe its shape in some other way? c. Do there appear to be any outlying strength values? d. What proportion of strength observations in this sample exceed 10 MPa? The strength data for beams is attached
The length of fish were measured at 3 different lakes. Lake 1: 3.5, 4.2, 6.1, 5.2 Lake 2: 3.1, 3.2, 4.3, 2.1 Lake 3: 5.6, 7.1, 4.4, 4.1, 6.2 Is there evidence to suggest that the average length is not the same at all 3 locations? Group of answer choices There is not evidence to suggest the average length of fish is different at one of the lakes. There is evidence to suggest that the average length is different at one of the lakes. Enter the test statistic (to 4 decimal places)
INSTRUCTION: Perform an appropriate statistical test using the dataset (Sheet name: Cholesterol) if a researcher would like to determine if there is a significant difference in the "Cholesterol" level before ("Pre") and after ("Post") the treatment or therapy? Dataset for this can be retrieved on the given Excel. 1. What is the computed p-value for the given data on the "Cholesterol" level before ("Pre") and after ("Post") the treatment or therapy? Round it off to two decimal places. Then, answer (YES or NO) if there is a significant difference in the "Cholesterol" level before ("Pre") and after ("Post") the treatment or therapy? 2. What is the computed Mean of "Post" on the given data for Cholesterol? Round it off to two decimal places. 3. What is the computed Standard Deviation of "Pre" on the given data for Cholesterol? Round it off to two decimal places.
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The first step in finding the interquartile range involves calculating the ____ of the data set. a. mean b. median c. standard deviation d. range
Directions: Read and answer the following questions independently. Show your solution if necessary. 2. If the mean of the sampling distribution is 24.29, what is the mean of the population?
INSTRUCTION: Perform an appropriate statistical test using the dataset (Sheet name: Autism) if a researcher would like to determine if there is a significant difference between "Autistic," "Normal," and "Mentally Retarded"? The researcher took measurements of the serum concentration of an antigen in three groups of children (Autistic, Normal, and Mentally Retarded). Dataset for this can be retrieved on the given Excel. 1. What is the computed p-value for the given data on "Autism"? Round it off to two decimal places. Then, answer (YES or NO) if there is a significant difference in the serum concentration of antigen between "Autistic," "Normal," and "Mentally Retarded"? 2. What is the computed Mean of "Mentally Retarded" on the given data for Autism? Round it off to two decimal places. 3. What is the computed Standard Deviation of the "Autistic" group on the given data for Autism? Round it off to two decimal places.
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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.
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