To determine her mood, Miranda divides up her day into three parts: morning, afternoon, and evening. She then measures her mood at 3 randomly selected times during each part of the day.What type of sampling is used?O A. ClusterO B. SystematicOC. ConvenienceO D. StratifiedO E. Simple randomO Time Remaining: 03:28:33Ne.MacBook ProG Search or type URLesc&@2#734QWETYtabの

Systematic sampling: When the population units occur in a sequence or pattern and a sample of size n…

Answered: To determine her mood, Miranda divides…

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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Identify which type of sampling is used: random, systematic, convenience, stratified, or cluster. A television station asks its viewers to call in their opinion regarding the variety of sports programming. Which type of sampling is used? O A. Stratified B. Random OC. Convenience O D. Cluster O E. Systematic
How many samples or treatments are here? 490 undergraduate students at a state university in the southwestern region of the United States were surveyed. Each student in the sample was classified according to class standing (freshman, sophomore, junior, or senior) and body are category (body piercings only, tattoos only, both tattoos and body piercings, no body art). Use the data in the accompanying table to determine if there is an association between class standing and body art category. Assume that it is reasonable to regard the sample as representative of the students at this university. Use α = 0.01. Freshman Sophmore Junior Senior Body Piercings 61 7 14 86 Only Tattoos 43 11 10 64 Only Mildly Piercings and Tattoos 20 9 7…
Sony wants to administer a satisfaction survey to its current customers. Using their customer database, the company randomly selects 90 customers and asks them about their level of satisfaction with the company. What type of sampling is used? O A. Systematic O B. Stratified O C. Convenience O D. Simple random O E. Cluster
Lexie wants to know the proportion of shoppers at Lakeline Mall who are 25 years old or younger. She takes a random sample of 300 shoppers at Lakeline Mall and sees that 189 of them were 25 years old or younger. Let p represent the proportion of shoppers at Lakeline Mall that are 25 years old or younger. Identify the population and the sample in this study. Population = the 300 shoppers selected; Sample = all of the shoppers at this mall. Population = all of the shoppers at this mall; Sample = the number of people 25 years old or less. Population = all of the shoppers at this mall; Sample = the 300 shoppers selected. Population = the 300 shoppers selected; Sample = the number of people 25 years old or less.
You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 90% confident that the sample percentage is within 5.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 38% of air passengers prefer an aisle seat. (Round up to the nearest integer.)
Marc takes a random sample of 14 dogs from the local animal shelter and weighs them. He obtains the following data: 9 25 32 40 41 45 47 50 53 53 62 79 94 106 What is the median for this data?
Three students want to estimate the mean pencil weight of their schoolmates.To do this, they each randomly chose 5 schoolmates and weighed their pencils. The samples are shown in the table.
Suppose a random sample of 1227 Californians who own their own homes were surveyed. The table below shows the results of the survey Observed Frequencies of Political Affiliation from the Sample Outcome Observed Frequency Democrat 577 Republican Independent/Other 257 393 The second column of the table below shows the distribution of polítical affiliation for the entire population of California voters. Fill in the expected frequencies. Round to two decimal plkces, if necessary. Frequencies of Political Affiliation Expected Percent Outcome Expected Frequency Democrat 47 Republican 31 Independent/Other 22
choose the correct answer. The daily salaries of a sample of ten employees at a certain company are ₱500, ₱525, ₱450, ₱570, ₱510, ₱600, ₱650, ₱800, ₱400, ₱620. What amount separates the lowest 75% of the salaries from the highest 25% of the salaries? a. ₱525.25 b. ₱580.75 c. ₱627.50 d. ₱562.50 Data were collected on the number of minutes spent cooking a meal. The data are as follows: 8, 10, 15, 25, 30, 40, 12, 20, and 19. What is the range of this data? a. 24 b. 22 c. 32 d. 48
A researcher studying allergies to animals is interested in performing a study at the local elementary school. At Pineview Elementary, there are 4 1st grade classrooms. The researcher picks 2 of the 4 classrooms and asks every 1st grader in the 2 classrooms what type of animal they own (cat, dog, rabbit, etc.). He also asks how often they experience allergies. What is the sample?
If a distribution is negatively skewed, in what order (from lowest to highest) will the averages be? Select one: a. mean, median, mode b. mode, median, mean c. median, mode, mean d. mean, mode, median
A researcher is interested to explore which major is more attractive to students studying in Education college. I suggest to use . to present the distribution of students according to the departments of the college. Select one: O A. Histogram Chart B. Pareto Chart Bar D. Pie Chart

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To determine her mood, Miranda divides up her day into three parts: morning, afternoon, and evening. She then measures her mood at 3 randomly selected times during each part of the day. What type of sampling is used? O A. Cluster O B. Systematic OC. Convenience O D. Stratified O E. Simple random