The data to the right represent the number ofcustomers waiting for a table at 6:00 P.M. for40 consecutive Saturdays at Bobak'sRestaurant. Complete parts (a) through (h)below.1212227 9 13 96101015 13 7 91135000014 10 3 104314 13 13 7 1010 12 11 1167812200710600401011 1411 12 10(a) Are these data discrete or continuous? Explain.○ A. The data are discrete because there are a finite or countable number of values.○ B. The data are continuous because it was recorded for 40 consecutive Saturdays.○ C. The data are discrete because it was recorded for 40 consecutive Saturdays.○ D. The data are continuous because there are a finite or countable number of values.

In statistics, data can be classified into two types: discrete and continuous. Discrete data are…

Answered: The data to the right represent 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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A researcher wants to know how long it takes, on average, for a certain species of bacteria to divide. She watches 17 cells through a microscope and times how long it takes them to divide. She obtains the following data, in hours:8.1, 7, 7.4, 7.4, 6.6, 7.3, 7.5, 7, 7.7, 6.9, 7.9, 6.7, 6.7, 6.9, 7.5, 7.1, 7.3Assuming the population standard deviation is σ=0.4, construct a 89% confidence interval for the average time it takes this species of bacteria to divide.xˉ=α2=zα2=Margin of Error: E=We are 89% confident that this species of bacteria takes, on average, between ___hours and ___hours to divide.
Suppose that a customer is purchasing a car. He conducts an experiment in which he puts 10 gallons of gas in the car and drives it until it runs out of gas. He conducts this experiment 15 times on each car and records the number of miles driven. Full data set Car 1 211 215 234 212 247 264 260 164 256 251 171 319 292 313 252 Car 2 236 216 207 230 250 246 223 264 254 299 261 253 254 255 263
The data to the right represent the number of customers waiting for a table at 6:00 P.M. for 40 consecutive Saturdays at Bobak's Restaurant. Complete parts (a) through (h) below. 10 12 5 13 9. 7 15 14 9. 11 7 11 12 12 10 8. 9. 8 11 14 13 12 8 10 8 10 12 9. 11 11 10 6 10 11 (a) Are these data discrete or continuous? Explain. A. The data are discrete because there are a finite or countable number of values. B. The data are continuous because there are a finite or countable number of values. C. The data are continuous because it was recorded for 40 consecutive Saturdays. D. The data are discrete because it was recorded for 40 consecutive Saturdays. (b) Construct a frequency distribution of the data. Number of Frequency Customers 1-3 4-6 7-9 10–12 13–15 (c) Construct a relative frequency distribution of the data. Number of Relative Customers Frequency 1-3 4-6 7-9
For the first two weeks of the month of January 2022, the daily average of calls for roadside assistance from motorcycle drivers was kept track of. These were the outcomes: Find the Mode: Construct a frequency graph:
Following shows the numbers of Amazon Prime members in the millions, each quarter from 2016 to 2021. Quarter 2016 2017 2018 2019 2020 2021 1 26 36 48 62 81 98 2 27 37 50 65 83 103 3 29 40 53 69 86 109 4 33 44 57 74 93 117 Construct a line chart using the data. Describe the relationship between the time and number of subscribers.
Please answer this. Show work.
You collect data of average annual returns for Amazon Stock and Microsoft Stock and make the following table: (This data can be copied into Excel.) Year Amazon Return Microsoft Return 2013 0.5896 0.1221 2014 -0.2218 0.2416 2015 1.1778 0.1944 2016 0.1095 0.1200 2017 0.5596 0.3766 2018 0.2843 0.1874 2019 0.3216 0.5526 You use this data to answer the research question: are true population Amazon Returns greater than true population Microsoft Returns?
Set A: n = 5; x = 10Set B: n = 50; x = 10(a) Suppose the number 32 is included as an additional data value in Set A. Compute x for the new data set. To compute x for the new data set, add 32 to x of the original data set and divide by 6. (Round your answer to two decimal places.) b.) Suppose the number 32 is included as an additional data value in Set B. Compute x for the new data set. (Round your answer to two decimal places.)
Which of the following belongs to lagging indicators A. Manufacturers' new orders B. Stock prices, 500 common stocks C. Average duration of unemployment D. Industrial production
At Center Hospital there is some concern about the high turnover of nurses. A survey was done to determine how long (in months) nurses had been in their current positions. The responses (in months) of 20 nurses were 23 5 14 25 36 27 42 12 8 7 15 29 26 28 11 20 31 8 36 Find the interquartile range. O 37.5 O 19.0 O 22.5 O 38.0 19.5
A psychologist believed that as children get older, they engage in more “inactive activities” such as playing computer games, watching TV and surfing the internet. She collected data from 10 children. She recorded the age of each child and the amount of activity (in hours) the child engaged in per week. Age Activity 7 4.3 9 3.2 10 1 13 1.5 12 1.2 15 0.8 9 3 12 4 15 1.5 14 1.9 Using excel, obtain a scatterplot of the data. Discuss the relationship between age and activity based on the scatterplot. Using excel, obtain the simple linear regression linear regression line predicting activity from age. Interpret the intercept and slope of the regression line. By hand, predict the amount of activity for age = 14. By hand, calculate the residual for age = 14 Using excel output, test the null hypothesis that the slope coefficient is zero using the p-value approach. Write one sentence interpreting the meaning of this result. Make sure to report the test statistic…

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