Question 8 of 16 -/1 View Policies Current Attempt in Progress What sample size is needed to give a margin of error within +0.8 in estimating a population mean with 90% confidence, assuming a previous sample had s = 28. Round your answer up to the nearest integer. sample size = i eTextbook and Media Attempts: 0 of 6 used Submit Answer Save for Later III

Question 8 of 16 -/1 View Policies Current Attempt in Progress What sample size is needed to give a margin of error within +0.8 in estimating a population mean with 90% confidence, assuming a previous sample had s = 28. Round your answer up to the nearest integer. sample size = i eTextbook and Media Attempts: 0 of 6 used Submit Answer Save for Later III

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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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To build a 86% CI for the mean of a population, you take a random sample of 31 values and find s = 18. What is the Margin of Error, E? Round the Critical Value and your answer to three decimals. Submit Question tor
just the last part i included a pic of the sample data, thank you!
Part b and c
To determine if their 1.50 centimeter bolts are properly adjusted, Norman & Mayer Manufacturing has decided to use an X-Chart which uses the range to estimate the variability in the sample. Table Control Chart Answer How to enter your answer (opens in r Step 1 of 7: What is the Center Line of the control chart? Round your answer to three decimal places. Period 1 2 3 4 5 6 Copy Table Tables Select the Copy Table button to copy all values. To select an entire row or column, either click on the row or column header or use the Shift and arrow keys. To find the average of the selected cells, select the Average Values button. ON obs1 obs2 1.45 1.52 1.55 1.51 1.51 1.50 1.50 1.53 1.46 1.53 1.52 1.54 1.51 1.50 1.50 1.52 1.46 1.47 1.52 1.53 1.53 1.54 1.53 1.53 1.53 1.53 1.54 1.48 1.54 1.49 1.53 1.50 7 1.46 1.46 1.54 1.48 1.49 1.51 8 1.47 1.48 1.51 1.51 1.53 1.50 9 1.50 1.54 1.54 1.53 1.53 1.49 10 1.54 1.49 1.55 1.51 1.51 1.50 Keypad Copy Table Average Values The average of the selected cell(s)…
Examus cdn.student.uae.examus.net/?rldbqn=1&sessi... Given the following sample data: 43, 50, 44, 49, 50 The value 362dcf917 Formulae Sheet STAT-101-1 X-X Conversion formula, z = Minimum "usual" value = E– 2s P(x) = n! %3D (n-x)lx! p* qn-x %3D Maximum "usual" value = i† 2s Ge362dcf917 Midrange = ī = Ex Σ-22 min value max value || S = %3D Variance =npq n-1 2. a. Mean Total Frequency E-ΣΧΡx) ; b. Range E= np %3D ce36Ydcf917 çe362dcf917 ce362 C. Midrange d. Median ce362dcf917 0% ce362dof917 MacBook Pro e362ucf917 PI L
When it comes to estimating population parameters from sample statistics, how does the degree of freedom relate to the reliability (or uncertainty) of our calculation? For instance, what would happen to our estimate in relation to the true parameter if we used too many or too few degrees of freedom?
Please do not give solution in image format thanku
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Part 2 Q11 Help