Need hulp understanding this statistics question. The following sample data are from a normal population: 10, 9, 12, 14, 13, 11, 7, 4.a. What is the point estimate of the population mean?b. What is the point estimate of the population standard deviation (to 2 decimals)?c. With 95% confidence, what is the margin of error for the estimation of the population mean (to 1 decimal)?d. What is the 95% confidence interval for the population mean (to 1 decimal)?

Given The data is as follows: 10, 9, 12, 14, 13, 11, 7, 4

Answered: The following sample data are from a…

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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Two sections of statistics are offered, the first at 8 a.m. and the second at 10 a.m. The 8 a.m. section has 25 women, and the 10 a.m. section has 15 women. A student claims this is evidence that women prefer earlier statistics classes than men do. What information is missing that might contradict this claim? Question content area bottom Part 1 Choose the best answer below. A. The professor may be female in one class and male in the other, which could affect the female students' class preference. B. The percentage of female students in the two classes is unknown. There may be more females in the 8 a.m. because there are more students in the 8 a.m. class than the 10 a.m. class. This claim could be true only if the classes were the same size. C. The age and class standing of the students is unknown. Older female students may prefer later classes, so it may be only younger female students who prefer earlier classes. D. No information is…
Check for accuracy and respond the last questions 2. For this problem, use Chapter 11 Data Set 3. We want to know if urban and rural residents both have the same attitude toward gun control. a. What is the null hypothesis? The null hypothesis concludes that there is no difference in attitudes toward gun control between urban and rural residents. b. What is the research hypothesis? The research hypothesis suggests that there is a difference in attitudes toward gun control between urban and rural residents. c. Will you be conducting a one-tailed or a two-tailed test? Why? In this case I would conduct a two-tailed test because i’m interested in whether there is a difference in attitudes toward gun control between urban and rural residents, regardless of which direction that difference follows. e.- What is the p-value (hint: it is under “sig” in the output table)? The P-value is 0.44. Do you reject the null hypothesis or fail to reject the null? What do you conclude about urban and…
Please answer the questions for my Statistics homework problem by using the table of Quiz vs Lectures Pulse Rate
can you help me figure out this whole problem
help please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working
Need to understand how to solve in excel or using megastat. This is practice exam Suppose Bank of America would like to investigate if the credit score and income level of an individual are independent of one another. Bank of America selected a random sample of 400 adults and asked them to report their credit score range and their income range. The following contingency table presents these results. Credit Score Class Less than 650 650–750 More than 750 Income < $50,000 30 24 27 $50,000 ≤ Income < $100,000 42 47 38 $100,000 ≤ Income < $150,000 49 35 26 Income ≥ $150,000 27 29 26 The expected number of individuals with income between $50,000 and $100,000 and a credit score less than 650 is ________. Multiple Choice 23.5 26.0 31.0 47.0
This is a follow up question please answer both
1
Can someone please help? Thank you.
Q3, just parts d, e, f. (posted a, b, c as a different question)

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