Sample standardNumber of giraffesSample meandeviationTake SampleEnter the values of the sample size, the point estimate of the mean, the sample standard deviation, and the critical value you need for your 95%confidence interval. (Choose the correct critical value from the table of critical values provided.) When you are done, select "Compute".Sample size:Point estimate:Standard error:5Sample standard deviation:Critical valuesMargin of error:0.005 = 2.947Critical value:10.010 = 2.60295% confidence interval:10.025 = 2.131Compute0.050 1.7530.100=1.341(b)Based on your sample, graph the 95% confidence interval for the population mean of all the heights of fully grown male West African giraffes.• Enter the values for the lower and upper limits on the graph to show your confidence interval.

The objective of this question is to calculate the 95% confidence interval for the population mean…

Answered: Sample standard Number of giraffes…

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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Keeping everything else constant, as the number of sample size decreases, which one(s) of the following would increase? Standard error. Critical Value The standard deviation of the population. Difference between Upper and Lower Prediction Intervals
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A sample mean, sample size, population standard deviation, and confidence level are provided. Use this information to complete parts (a) through (c) below. x=35, n=27, σ=5 confidence level=90% a. Use the one-mean z-interval procedure to find a confidence interval for the mean of the population from which the sample was drawn. The confidence interval is from _______ to _________. (Type integers or decimals rounded to one decimal place as needed.) b. Obtain the margin of error by taking half the length of the confidence interval. What is the length of the confidence interval? ____________ (Type an integer or decimal rounded to one decimal place as needed.) c. Obtain the margin of error by using the formula E=zα2•σn. Identify the critical value. zα2=____________ (Type an integer or decimal rounded to two decimal places as needed.) What is the margin of error obtained using the methods of parts (b) and(c)? _________ (Type an integer or decimal…
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Sample size n=25, a normal distribution with a mean of u=100. Standard divination=25 find the range of sample means what defines the middle 95% of the distribution of sample means and find the range of sample means that defines the middle 99% of the distribution of sample means

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