In a survey, people were asked how many times per year they had their car in...
In a survey, people were asked how many times per year they had their car in the shop for repairs. The results are shown below. What is the average number of times people bring their car in the shop for repairs?
| Number of times in shop | Frequency |
| 0 | 17 |
| 1 | 21 |
| 2 | 11 |
| 3 | 5 |
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In a survey, people were asked how many times per year they had
their car in...
#9 9) A survey asked 915 people how many times per week they dine out at...
#9
9) A survey asked 915 people how many times per week they dine out at a restaurant. Th results are presented in the following table. Number of Times Frequency 134 273 249 127 72 30 24 Total915 Consider the 915 people to be a population. Let X be the number of times per week a person dines out for a person sampled at random from this population. Compute the standard deviation A) 2.1 в) 1.5 C 1.9 D) 2.2...
A survey was conducted that asked 1084 people how many books they had read in the...
A survey was conducted that asked 1084 people how many books they had read in the past year. Results indicated that x overbarequals13.5 books and sequals17.8 books. Construct a 96% confidence interval for the mean number of books people read. Interpret the interval.
A survey was conducted that asked 1011 people how many books they had read in the...
A survey was conducted that asked 1011 people how many books they had read in the past year. Results indicated that x overbarx equals=13.6 books and s equals=16.6 books. Construct a 90% confidence interval for the mean number of books people read. Interpret the interval. Construct a 90% confidence interval for the mean number of books people read and interpret the result.
A survey was conducted that had asked 1068 people how many books they had read in...
A survey was conducted that had asked 1068 people how many books they had read in the past year. Results indicated that X=13.3 books and S=18.1 books. Construct a 96% confidence interval for the mean number of books people read. Interpret the interval. Construct a 96% confidence interval for the mean number of books people read and interpret the result. Select the correct choice below and fill in the answer boxes to complete your choice.(use ascending order. Round to two...
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
A survey was conducted that asked 976 976 people how many books they had read in...
A survey was conducted that asked 976 976 people how many books they had read in the past year. Results indicated that x overbar x equals = 14.6 14.6 books and s equals = 16.9 16.9 books. Construct a 96 96% confidence interval for the mean number of books people read. Interpret the interval. Construct a 96 96% confidence interval for the mean number of books people read and interpret the result. Select the correct choice below and fill in...
In a survey, repondents were asked, "How many years have you worked in the same job?"....
In a survey, repondents were asked, "How many years have you worked in the same job?". The relative frequency histogram is shown below. Relative Frequency 0.5 0.4 0.3 0.2 0.1 0-5 years 5- 10 years 10-15 years 15 -20 years (a) What percent of the population answered 10 or fewer years? % (a) If the population size was 200, how many people answered 15-20 years?
A survey was conducted that asked 1040 people how many books they had read in the...
A survey was conducted that asked 1040 people how many books they had read in the past year. Results indicated that x=15.2 books and s=18.5 books. Construct a 96% confidence interval for the mean number of books people read. Interpret the interval. Construct a 96% confidence interval for the mean number of books people read and interpret the result. Select the correct choice below and fill in the answer boxes to complete your choice. (Use ascending order. Round to two...
A survey was conducted that asked 1018 people how many books they had read in the...
A survey was conducted that asked 1018 people how many books they had read in the past year. Results indicated that x 116 books and s 166 books. Costruct a 90% confidence interval for the mean number of books people read. Interpret the interval Click the icon to view the table of critical t-values Construct a 90% confidence interval for the mean number of books people read and interpret the result Select the correct choice below and fill in the...
#8 A) 0.85 B) 0.71 C 0.29 D) 0.56 8) A survey asked 863 people how...
#8
A) 0.85 B) 0.71 C 0.29 D) 0.56 8) A survey asked 863 people how many times per week they dine out at a restaurant. The results are presented in the following table. Number of Times Frequency 142 236 113 60 27 21 863 Consider the 863 people to be a population. Let X be the number of times per week a person dines out for a person sampled at random from this population. Find the probability that a...
#9
9) A survey asked 915 people how many times per week they dine out at a restaurant. Th results are presented in the following table. Number of Times Frequency 134 273 249 127 72 30 24 Total915 Consider the 915 people to be a population. Let X be the number of times per week a person dines out for a person sampled at random from this population. Compute the standard deviation A) 2.1 в) 1.5 C 1.9 D) 2.2...
In a survey, repondents were asked, "How many years have you worked in the same job?". The relative frequency histogram is shown below. Relative Frequency 0.5 0.4 0.3 0.2 0.1 0-5 years 5- 10 years 10-15 years 15 -20 years (a) What percent of the population answered 10 or fewer years? % (a) If the population size was 200, how many people answered 15-20 years?
A survey was conducted that asked 1018 people how many books they had read in the past year. Results indicated that x 116 books and s 166 books. Costruct a 90% confidence interval for the mean number of books people read. Interpret the interval Click the icon to view the table of critical t-values Construct a 90% confidence interval for the mean number of books people read and interpret the result Select the correct choice below and fill in the...
#8
A) 0.85 B) 0.71 C 0.29 D) 0.56 8) A survey asked 863 people how many times per week they dine out at a restaurant. The results are presented in the following table. Number of Times Frequency 142 236 113 60 27 21 863 Consider the 863 people to be a population. Let X be the number of times per week a person dines out for a person sampled at random from this population. Find the probability that a...
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