• Question 13<>It is commonly believed that the mean body temperature of a healthy adult is 98.6° F. You are notentirely convinced. You believe that it is not 98.6° F. You collected data using 51 healthy people andfound that they had a mean body temperature of 98.27° F with a standard deviation of 1.1° F. Use a0.05 significance level to test the claim that the mean body temperature of a healthy adult is not 98.6° F.a) Identify the null and alternative hypotheses?Ho: ? vHa: ? vb) What type of hypothesis test should you conduct (left-, right-, or two-tailed)?O left-tailedOright-tailedO two-tailedc) Identify the appropriate significance level.Submit Question%&

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Answered: • Question 13 <> It is commonly…

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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This problem is fill in the blank. Just choose the correct answers. Thank you for your help A scientist has read that the mean birth weight, μ, of babies born at full term is 7.2 pounds. The scientist, believing that μ is less than this value, plans to perform a statistical test. She selects a random sample of birth weights of babies born at full term and finds the mean of the sample to be 6.9 pounds and the standard deviation to be 1.7 pounds. Based on this information, answer the questions below. What are the null hypothesis (H0) and the alternative hypothesis (H1) that should be used for the test? H0: (choose one) less than, less than or equal to, greater than, greater than or equal to, equal to, or not equal to. (choose one) 6.9 pounds, 7.2 pounds, or 1.7 pounds. H1: (Choose one) less than, less than or equal to, greater than, greater than or equal to, equal to, or not equal to. (Choose one) 6.9 pounds, 7.2 pounds, or 1.7 pounds. In the context…
It is commonly believed that the mean body temperature of a healthy adult is 98.6° F. You are not entirely convinced. You believe that it is not 98.6° F. You collected data using 53 healthy people and found that they had a mean body temperature of 98.33° F with a standard deviation of 0.93 ° F. Use a 0.05 significance level to test the claim that the mean body temperature of a healthy adult is not 98.6° F. a) Identify the null and alternative hypotheses? Họ: ? H1: ? b) What type of hypothesis test should you conduct (left-, right-, or two-tailed)? left-tailed right-tailed two-tailed c) Identify the appropriate significance level. d) Calculate your test statistic. Write the result below, and be sure to round your final answer to two decimal places. e) Calculate your p-value. Write the result below, and be sure to round your final answer to four decimal places.
An instructor at a private college claim that the students enrolled in her school have an IQ of average intelligence. If there are a total of 40 students’ IQ scores as sample and have a mean of 106. Is the instructor’s claim true? Mean population IQ is 97 with a standard deviation of 12. Use alpha level of 0.05.
Hi, I've been confused about the problem since I can't seem to find the population mean. I've attached a picture of the problem. Thanks !!
You want to estimate the mean amount of time Internet users spend on Facebook each month. How many Internet users must be surveyed in order to be 90% confident that your sample mean is within 10 minutes of the population mean? Based on results from a prior survey, assume that the standard deviation of the population of monthly times spent on Facebook is 210 minutes.
Type if A if you should accept the study as having a mean not to different from the population mean. Type R if you should reject the study as having a too different mean from the population mean. A researcher wants to determine whether the mean height of 31, 18 year old Filipino teens is significantly different from the population average of 5.2 ft. The mean and the standard deviation of the scores of the researcher's study is 5.4 ft and 7; respectively. Assume a 99% confidence level. A researcher wants to determine whether the mean lifespan of 16 pet goldfish living in the same tank is significantly different from the population average of 12 years. The mean and the standard deviation of the pet goldfish's lifespan is 9.5 and 11; respectively. Assume a 90% confidence level.
You are conducting an experiment to examine the anxiety level of a group of Design Technology students. The population standard deviation o=4.8. You compute the mean and standard deviation of your sample and find that sample mean = 25.9 and sample standard deviation s = 5.3. What is the standard error of the sample mean if your sample size is 36? Give your answer to 2 decimal places.
The mean score for first exam in your first organic chemistry class (section A) was 60, with a standard deviation of 5. Your score on the exam was 70. A. How many standard deviations above the mean is your score?
The class I'm taking is statistics! I am completely stuck. Need help. I have attached the problem. Please view attachment before answering. Thank you!
Please only answer questions C and D
............
i already have answer in question A-C. please help me answer the rest. topic unknown standard variation thank you

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