A baseline of calibrated length 400.009 m is observed repeatedly with an EDM instrument.After 25 observations, the average of the observed distance is 400.012 m with a standarddeviation of ±0.003 m. Is the distance observed significantly different from the distancecalibrated at a 0.05 level of significance? Here you must write:5.1. The two hypothesis.5.2. The value of the test statistic.5.3. The rejection region.5.4. The conclusion.

A hypothesis which is tested for plausible rejection is called the Null Hypothesis (typically…

Answered: A baseline of calibrated length 400.009…

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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The mean is 146 and the standard deviation is 35. A score of 41 is how many z-scores below the mean?
The police reported that the average driver exceeds the 50 miles per hour speed limit by more than 9 miles per hour on the busiest street in a small town. A sample of 63 randomly selected cars were clocked by airplane radar. The average speed was 57.5 miles per hour, and the standard deviation of the speeds was 4.17 miles per hour. Determine if the average speed is greater than what the police department reported. Which parameter(s) are you given? Mark all that apply. p μ σ none Which statistic(s) are you given? Mark all that apply. ¯x ˆp ˆq s x none What is the problem asking you to do? Estimate a parameter Test a given parameter
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…
Please answer correctly and show the complete solution, Thank you.
Cereals sodium values have a mean of 167 and a standard deviation of 77.3. Find the z-score for the cereal that has a sodium value of 0. How would you interpret this z-score?
The scores of the Betropolis University Music Appreciation Exam are Normally Distributed with a mean of 50 and a standard deviation of 10; that is N(50, 10). A. Boris scored 40.6 and Bela scored 56.8. Find the percent of students who scored greater than Boris and less than Bela. Your answer should be correct to 4 places after the decimal point. ___________ B. 51% of the students score greater than Bernie. Find Bernie’s score. Your answer should be correct to 3 places after the decimal point. Bernie’s score was ___________
Our environment is very sensitive to the amount of ozone in the upper atmosphere. The level of ozone normally found is 5.3 parts/million (ppm). A researcher believes that the current ozone level is at an excess level. The mean of 1030 samples is 5.4 ppm. Assume the standard deviation is known to be 1.1. Does the data support the claim at the 0.01 level? Step 4 of 5 : Enter the decision rule.
Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the z- score of a man who is 64.3 inches tall. (to 4 decimal places) 249.04
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 129.5-cm and a standard deviation of 0.8-cm. For shipment, 27 steel rods are bundled together.Find P69, which is the average length separating the smallest 69% bundles from the largest 31% bundles.P69 = ________-cmEnter your answer as a number accurate to 2 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
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