7.40 Time spent in fitness center. The owner of a fitness centerwants to compare the time his customers spend on eachvisit to his center during working hours and the time theyspend on each visit outside of working hours. He conducteda survey on his customers. The following table records thesummary of his findings.Sample size(number ofTime Periodcustomer)Mean timespent (in hours) deviationStandardDuring working1001.9720.65hoursOutside working1503.056.02hoursa. Determine if the customers spent less than 2 hours pervisit during working hours at a 5% significance level.b. Determine if the customers spent more than 2.5 hoursper visit outside of working hours at a 5% significancelevel.

a. Determine if the customers spent less than 2 hours per visit during working hours at a 5%…

Answered: 7.40 Time spent in fitness center. The…

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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For the following sample data, answer the following:Remember you can copy and "paste special" the table into the Excel sheet. 100 57 58 94 65 32 42 19 87 70 16 56 14 What is ¯xx¯ ? What is the median? What is the standard deviation? What is the Q1? What is the range?
A primary measure of dispersion for sample data is the sample standard deviation, s. Choose the best option to explain what the meaning of the sample standard deviation is, in general. A. The distance between one observation and the mean. B. The average distance of an observation from the middle of the distribution. C. The average distance between observations in the sample. D. The distance between the third and first quartiles.
Find the mean and standard deviation of the following sample: 7.2 7.4 7.5 7.2 7.1 6.9 7.7 7.4
Fund the mean and variance for the following sample data 12, 16, 11, 23, 9, 17, 12, 25
The average house has 14 paintings on its walls. Is the mean larger for houses owned by teachers? The data show the results of a survey of 14 teachers who were asked how many paintings they have in their houses. Assume that the distribution of the population is normal. 15, 13, 16, 16, 17, 14, 14, 15, 13, 13, 15, 16, 15, 16 What can be concluded at the a = 0.01 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Но: ? Select an answer v H: ?v Select an answer v c. The test statistic ? v = (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is ? va f. Based on this, we should Select an answer v the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest that the population mean number of paintings that are in teachers' houses is not significantly more than 14 at a = 0.01, so there is insufficient evidence to conclude that…
A company conducted a survey to determine the average age of its employees. The ages of 10 randomly selected employees are as follows: 25, 28, 30, 35, 40, 42, 45, 48, 50, and 55. Calculate the sample mean, sample variance, and standard deviation of the ages.
Find the mean, median, mode, range, variance and standard deviation of the following sample data and then interpret the answer. Show the complete solution.
Listed below are the amounts (dollars) it costs for marriage proposal packages at different baseball stadiums. Find the range, variance, and standard deviation for the given sample data. Include appropriate units in the results. Are there any outliers, and are they likely to have much of an effect on the measures of variation? 3750505565859017019521925035040017503000
Suppose that the following fiqures show the price of silver per ounce, in dollars, for a 10-business-day period 12.5,12.2,12.3,12.2,12,11.7,11.7,12.1,11.8 Find the sample mean, median, and mode mean= median= mode= What do your answers tell you about the price of silver? Over the 10-business-day period samples, the price of averaged $ _____ per ounce. It was above $______ as many as it was below that price, and stood at $_____ per ounce more often than at any other price.
A. What is the mean, median and mode? Separate answers with a single comma, i.e. 3.000,3.000,3.000 b. What is the standard deviation and sample variance? separate answers with a comma, i.e. 3.000,9.000 c.What is the largest value, smallest value and the sum of values? Separate answers with a comma, i.e. 4.543,11.345,46.000
Compute the measures of central tendency (mean, median, mode) and the measures of variation(range, variance, standard deviation) of the following and provide a detailed explanation of howyou come up with your answer. a. Consider the data as POPULATION 6,8,8,10,10,10,10,10,12,12,14 b. Consider the data as SAMPLE 6,6,6,8,8,10,12,12,14,14,14
Q7: what is the answer for both parts to this question, answer choices are provided in the pictures

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