You estimated the following relationship between the salary (S) and the length ofemployment in the retail sector (Ten). The results are as follows:Ŝ; = 23005 + 1534.4 Ten¡(6450.8) (524.5)where the standard errors of the estimators are given in parentheses. Assuming that theestimator has a normal distribution, the 99% confidence interval for the slope isapproximately:A. [1009.9, 2058.9]B. [183.82, 2884.99]C. [506.38, 2562.42]D. [671.6, 2397.2]

Answered: Image /qna-images/answer/ddcc7ecd-c16f-4a42-8f83-692eb8cc1e27.jpg

Answered: 'ou estimated the following…

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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Based on sample data, newborn males have weights with a mean of3250.3g and a standard deviation of 726.3g. Newborn females have weights with a mean of 3061.3g and a standard deviation of 546.4g. Who has the weight that is more extreme relative to the group from which they came: a male who weighs 1600g or a female who weighs 1600g? Since the z score for the male is z= ?
The heights of people in a certain population are normally distributed with a mean of 63 inches and a standard deviation of 4.3 inches. Suppose that a normal model applies.The model that correctly shows the 68-95-99.7 rule (empirical rule) for tree diameter is model: C A B About 68% of heights fall in the range described by option between 54.4 and 71.6. above 67.3. between 50.1 and 75.9. between 58.7 and 67.3. below 58.7. What percent of people in this population have heights below 54.4?
The brain volumes (cm3) of 20 brains have a mean of 1138.1 cm3 and a standard deviation of 120.4 cm3. Use the given standard deviation and the range rule of thumb to identify the limits separating values that are signigicantly low or significantly high. For such data, would a brain volume of 1388.9 cm3 be significantly high?
You are a researcher studying the lifespan of a certain species of bacteria. A preliminary sample of 35 bacteria reveals a sample mean of ¯x=76x¯=76 hours. The population standard deviation is known to be 5.6 hours. You would like to estimate the mean lifespan for this species of bacteria to within a margin of error of 0.4 hours at a 90% level of confidence. How many more bacteria should you sample to achieve a 0.4 hour margin of error? n = bacteria
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A survey found that the average hotel room rate in State I is RM88.22 and the average room in State II is RM80.61. Assume that the data were obtained from two samples of 50 hotels each. The population standard deviations were RM5.62 and RM4.83 respectively. At α = 0.05 , can it be concluded that there is a significant difference in the rates?
The mean score on a driving exam for a group of driver's education students is 60 points, with a standard deviation of 3 points. Apply Chebychev's Theorem to the data using k=2. Interpret the results. At least ( )% of the exam scores fall between ( )and ( )
pls. answer using 7 steps:-Parameter of interest-Null hypothesisAlternative hypothesis -Test statistic -Reject H0 if: -Computations: -Conclusion
Suppose that prices of a gallon of milk at various stores in one town have a mean of $3.74 with a standard deviation of 0.09. Using Chev's theorem what is the minimum percentage of stores that sell a gallon of milk for between $3.56 and $3.92? Round your answer to 1 decimal place
3.2/2
In a random sample of 8 cell phones, the mean full retail price was $549.30 and the standard deviation was $182.00. Further research suggests that the population mean is $425.14. Does the t-value for the original sample fall between - to 95 and to 95? Assume that the population of full retail prices for cell phones is normally distributed. The t-value of t = fall between - to 95 and to 95 because to 95 (Round to two decima d.) does not does
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