As part of a survey, 17 college
As part of a survey, 17 college graduates and 16 non-graduates were asked, "How many hours did you spend at you job last week?" The results are shown in the stem-and-leaf display below. Answer the question that follow.
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As part of a survey, 18 college graduates and 19 non-graduates were asked, "How many hours...
As part of a survey, 18 college graduates and 19 non-graduates were asked, "How many hours did you spend at your job last week?" The results are shown in the stem-and-leaf display below. Answer the questions that follow. Number of hours at work Graduates Non-graduates 9 2 2 7 6 6 5 4 4 2 0 3 2 2 3 3 8 5 5 421 402 4 6 7 8 9 9 3000 5 014 7 8 Key: 29 92...
A recent survey asked college students how much time they spend studying each week. The results...
A recent survey asked college students how much time they spend studying each week. The results showed a mean of 10 hours with a standard deviation of 2 hours. Complete parts (a) through (c) below. (a) Find the probability that a randomly selected student would spend less than 7 hours studying per week. O A. 0.933 OB. 0.500 OC. 0.067 OD. 0.333 (b) What percent of students spend more than 12 hours studying per wook? O A. 80.0% OB. 15.9%...
A random sample of college students was asked to respond to a survey about how they...
A random sample of college students was asked to respond to a survey about how they spend their free time on weekends. One question, summarized in the table below, asked each respondent to choose the one activity that they are most likely to participate in on a Saturday morning. The activity choices were homework, job, recreation, or other. Homework Job Recreation Other Male 29 35 23 9 Female 18 43 39 4 Find the probability that a college student from...
In a study relating college grade point average to time spent in various activities, you distribute a survey to several students.
In a study relating college grade point average to time spent in various activities, you distribute a survey to several students. The students are asked how many hours they spend
each week in four activities: studying, sleeping, working, and leisure. Any activity is put
into one of the four categories, so that for each student, the sum of hours in the four activities must be 168
22 53 28 35 26 Twenty students in a geology class were asked how many college...
22 53 28 35 26 Twenty students in a geology class were asked how many college credits they had earned. The responses are to the right. Construct a stem-and-leaf display 45 25 31 63 62 Choose the correct stem-and-leaf display 23 56 62 38 45 52 26 33 65 38 2235668 3113588 4155 51236 62235 223568 311358 45 51236 61235
A survey indicates that the vast majority of college students own their own personal computers. What...
A survey indicates that the vast majority of college students own their own personal computers. What information would you want to know before you accepted the results of this survey? Select all that apply. A. What was the sample size? B. Were the questions clear, accurate, unbiased, and valid? C. How many people conducted the survey? DD. Who funded the survey? E. What questions were asked? F. What are the names of the colleges included in the sample? G. What...
In a recent survey, 18 college freshmen were asked how many text messages they had send...
In a recent survey, 18 college freshmen were asked how many text messages they had send or received on the day of the survey. Results are shown below. Determine the 40th percentile value. 45, 256, 23, 110, 168, 122, 135, 56, 18, 0, 44, 68, 120, 115,456, 256, 174, 88
3. How much TV do College Students watch? In a survey 361 students were asked how...
3. How much TV do College Students watch? In a survey 361 students were asked how many hours of TV they watched per week. The sample gave an average of 6.504 hours. A bootstrap distribution gave a SE of 0.2939. Find and interpret a 90% confidence interval for the average number of hours a student watches TV per week.
The survey also asked participants for their level of education, and we wish to estimate the...
The survey also asked participants for their level of education, and we wish to estimate the difference in the proportion to use online dating between those with a college degree and those with a high school degree or less. The results are shown in the two-way table below. College High School Total Yes 157 70 227 No 666 565 1231 Total 823 635 1458 Let group 1 be the proportion of college graduates using online dating and group 2 be...
i need help with questions 8 and 9, and can you please provide the steps to...
i need help with questions 8 and 9, and can you please
provide the steps to do it
8) A professor of economics at a small Texas university wanted to determine what year in school students were taking his tough economics course. Shown below is a pie chart of the results. What percentage of the class took the course prior to reaching their senior year? Seniors 0% unices 30% Sophomores 46% A)86% B) 56% C)14% D) 44% Question 9: A...
As part of a survey, 18 college graduates and 19 non-graduates were asked, "How many hours did you spend at your job last week?" The results are shown in the stem-and-leaf display below. Answer the questions that follow. Number of hours at work Graduates Non-graduates 9 2 2 7 6 6 5 4 4 2 0 3 2 2 3 3 8 5 5 421 402 4 6 7 8 9 9 3000 5 014 7 8 Key: 29 92...
A recent survey asked college students how much time they spend studying each week. The results showed a mean of 10 hours with a standard deviation of 2 hours. Complete parts (a) through (c) below. (a) Find the probability that a randomly selected student would spend less than 7 hours studying per week. O A. 0.933 OB. 0.500 OC. 0.067 OD. 0.333 (b) What percent of students spend more than 12 hours studying per wook? O A. 80.0% OB. 15.9%...
22 53 28 35 26 Twenty students in a geology class were asked how many college credits they had earned. The responses are to the right. Construct a stem-and-leaf display 45 25 31 63 62 Choose the correct stem-and-leaf display 23 56 62 38 45 52 26 33 65 38 2235668 3113588 4155 51236 62235 223568 311358 45 51236 61235
A survey indicates that the vast majority of college students own their own personal computers. What information would you want to know before you accepted the results of this survey? Select all that apply. A. What was the sample size? B. Were the questions clear, accurate, unbiased, and valid? C. How many people conducted the survey? DD. Who funded the survey? E. What questions were asked? F. What are the names of the colleges included in the sample? G. What...
3. How much TV do College Students watch? In a survey 361 students were asked how many hours of TV they watched per week. The sample gave an average of 6.504 hours. A bootstrap distribution gave a SE of 0.2939. Find and interpret a 90% confidence interval for the average number of hours a student watches TV per week.
i need help with questions 8 and 9, and can you please
provide the steps to do it
8) A professor of economics at a small Texas university wanted to determine what year in school students were taking his tough economics course. Shown below is a pie chart of the results. What percentage of the class took the course prior to reaching their senior year? Seniors 0% unices 30% Sophomores 46% A)86% B) 56% C)14% D) 44% Question 9: A...
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