Homework Answers
Respondents who are very happy watch TV for 2.05 hours on average while respondents who are not too happy watch TV for 3.56 hours on average.
Respondents who are very happy watch TV for 2 hours which is the 50 percentile time while respondents who are not too happy watch TV for 3 hours which is the 50 percentile time.
Respondents who are very happy watch TV for 2 hours which is the highest occurring time while respondents who are not too happy watch TV for 2 hours which is the highest occurring time.
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The table below displays descriptive statistics for the variable "number of hours spent watching TV" for...
A newspaper article reported that people spend a mean of 7 hours per day watching TV,...
A newspaper article reported that people spend a mean of 7 hours per day watching TV, with a standard deviation of 1.8 hours. A psychologist would like to conduct interviews with the 10% of the population who spend the most time watching TV. She assumes that the daily time people spend watching TV is normally distributed. At least how many hours of daily TV watching are necessary for a person to be eligible for the interview? Carry your intermediate computations...
A newspaper article reported that people spend a mean of 6 hours per day watching TV,...
A newspaper article reported that people spend a mean of 6 hours per day watching TV, with a standard deviation of 1.8 hours. A psychologist would like to conduct interviews with the 10% of the population who spend the most time watching TV. She assumes that the daily time people spend watching TV is normally distributed. At least how many hours of daily TV watching are necessary for a person to be eligible for the interview? Carry your intermediate computations...
A newspaper article reported that people spend a mean of 7.5 hours per day watching TV,...
A newspaper article reported that people spend a mean of 7.5 hours per day watching TV, with a standard deviation of 1.8 hours. A psychologist would like to conduct interviews with the of the 10 % population who spend the most time watching TV. She assumes that the daily time people spend watching TV is normally distributed. At least how many hours of daily TV watching are necessary for a person to be eligible for the interview? Carry your intermediate...
Find the range and standard deviation. The table below gives the number of hours spent watching...
Find the range and standard deviation. The table below gives the number of hours spent watching TV last week by a sample of 24 children. 17 8 5 36 9 2 5 4 3 10 9 9 2 10 8 13 12 9 7 10 | Range = (Please enter an exact answer.) Standard Deviation = (Please show your answer to 4 decimal places.)
The descriptive summary of a TV show, the number of minutes audience spend watching in a...
The descriptive summary of a TV show, the number of minutes audience spend watching in a typical week, is given below Mean St Dev Min Show Time 135.8 177.18 Q1 50 Median Q3 90 150 Max 2000 a) What is the shape of the corresponding histogram? Explain. (symmetric /right-skewed / left-skewed) b) Are there any outliers? Explain. When describing centre and spread, which set of summary c) statistics should be used? Why? (mean and standard deviation or median and IQR)...
Date: Names Directions: You must work with one or two other students on this take-home exam and you may use your textbo...
Date: Names Directions: You must work with one or two other students on this take-home exam and you may use your textbook. Your work answering Questions 1 and 2 can be shared, but each of you must do your own Question 3, where each of you will pose your own question based on the data. Only one project will be turned for each team, consisting of joint answers for Questions 1 and 2, and as many Questions 3 answers are...
photos for each question are all in a row (1 point) In the following questions, use...
photos for each question are all in a row
(1 point) In the following questions, use the normal distribution to find a confidence interval for a difference in proportions pu - P2 given the relevant sample results. Give the best point estimate for p. - P2, the margin of error, and the confidence interval. Assume the results come from random samples. Give your answers to 4 decimal places. 300. Use 1. A 80% interval for pı - P2 given that...
Please read the article and answer about questions. You and the Law Business and law are...
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A newspaper article reported that people spend a mean of 7 hours per day watching TV, with a standard deviation of 1.8 hours. A psychologist would like to conduct interviews with the 10% of the population who spend the most time watching TV. She assumes that the daily time people spend watching TV is normally distributed. At least how many hours of daily TV watching are necessary for a person to be eligible for the interview? Carry your intermediate computations...
A newspaper article reported that people spend a mean of 6 hours per day watching TV, with a standard deviation of 1.8 hours. A psychologist would like to conduct interviews with the 10% of the population who spend the most time watching TV. She assumes that the daily time people spend watching TV is normally distributed. At least how many hours of daily TV watching are necessary for a person to be eligible for the interview? Carry your intermediate computations...
Find the range and standard deviation. The table below gives the number of hours spent watching TV last week by a sample of 24 children. 17 8 5 36 9 2 5 4 3 10 9 9 2 10 8 13 12 9 7 10 | Range = (Please enter an exact answer.) Standard Deviation = (Please show your answer to 4 decimal places.)
The descriptive summary of a TV show, the number of minutes audience spend watching in a typical week, is given below Mean St Dev Min Show Time 135.8 177.18 Q1 50 Median Q3 90 150 Max 2000 a) What is the shape of the corresponding histogram? Explain. (symmetric /right-skewed / left-skewed) b) Are there any outliers? Explain. When describing centre and spread, which set of summary c) statistics should be used? Why? (mean and standard deviation or median and IQR)...
Date: Names Directions: You must work with one or two other students on this take-home exam and you may use your textbook. Your work answering Questions 1 and 2 can be shared, but each of you must do your own Question 3, where each of you will pose your own question based on the data. Only one project will be turned for each team, consisting of joint answers for Questions 1 and 2, and as many Questions 3 answers are...
photos for each question are all in a row
(1 point) In the following questions, use the normal distribution to find a confidence interval for a difference in proportions pu - P2 given the relevant sample results. Give the best point estimate for p. - P2, the margin of error, and the confidence interval. Assume the results come from random samples. Give your answers to 4 decimal places. 300. Use 1. A 80% interval for pı - P2 given that...
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