Homework Answers
range=maximum value - minimum
value
=10 - 1 = 9
Standard deviation =3.13
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Find the range and standard deviation. The table below gives the number of hours spent watching...
Using your calculator, find the range and standard deviation, round to two decimals places: The table...
Using your calculator, find the range and standard deviation, round to two decimals places: The table below gives the number of hours spent watching TV last week by a sample of 24 children. Range-7에 Standard Deviation
Using your calculator, find the range and standard deviation, round to two decimals places: The table...
Using your calculator, find the range and standard deviation, round to two decimals places: The table below gives the number of hours spent watching TV last week by a sample of 24 child 49 20 74 54 75 31 45 80 60 74 47 21 35 67 64 64 39 54 43 31 69 50 99 15 Range 84 Standard Deviation Submit Enter an integer or decimal number [more..]
The following table gives the frequency distribution of the number of hours spent last week on...
The following table gives the frequency distribution of the number of hours spent last week on cell phones (making phone calls and texting) by all 100 students of the tenth grade at a school. Hours per Week Number of Students 0 to less than 4 13 4 to less than 8 16 8 to less than 12 21 12 to less than 16 16 16 to less than 20 17 20 to less than 24 17 Find the mean, variance,...
The following data show the number of hours spent watching television for 10 randomly selected freshmen...
The following data show the number of hours spent watching television for 10 randomly selected freshmen attending a liberal arts college in the Midwest. Hours of Television Viewed Weekly 12 14 16 13 14 12 18 14 17 15 Calculate the range, variance, standard deviation, and interquartile range for the sample data.
a-c please 3. In order to determine how many hours per week freshmen college students watch...
a-c please
3. In order to determine how many hours per week freshmen college students watch television, a random sample of 25 students was selected. It was determined that the students in the sample spent an average of 19.5 hours with a sample standard deviation of 3.9 hours watching TV per week. Please answer the following questions: (a) Provide a 95% confidence interval estimate for the average number of hours that all college freshmen spend watching TV per week. (b)...
The table below displays descriptive statistics for the variable "number of hours spent watching TV" for...
The table below displays descriptive statistics for the variable "number of hours spent watching TV" for two groups of people (people who are very happy and people who are not too happy) from the General Social Survey. Use it to answer questions 50-53 below. Respondents who are very happy" Respondents who are not too happy 2.05 3.56 Mean Median Mode Std Deviation Mini Max Mean Vacan Mode Std. Deviation Minimum Maximum 30 21 Question 50 1 pts Compare/contrast "very happy...
Heidi conducts a study to see if the number of hours participants spent watching Bravo TV...
Heidi conducts a study to see if the number of hours participants spent watching Bravo TV shows is correlated with their final quiz grade. Below is her Data: Hours Grade 3 11 6 7 4 13 2 15 1 12 What is r? -.72 .64 -.31 .26 Please show your work in the space below
please hurry Paragraph wes of Word have been disabled. Reactivate g Where would the whisker on...
please hurry
Paragraph wes of Word have been disabled. Reactivate g Where would the whisker on the boxplot of the times extend to on the high side? [2 marks] 7. ANSWER: A study by the television industry has determined that the average sports fan watches 8 hours per week watching sports on TV with a standard deviation of 1.8 hours. The time spent watching sports on TV is approximately normally distributed. Vancouver TV is considering establishing a specialty sports channel...
UTRGV female and male students were asked how much time they spent watching TV each week....
UTRGV female and male students were asked how much time they spent watching TV each week. Researchers would like to know if there is a difference between the time males and females spend watching TV. (α = .05) Men Women 10 13 15 3 6 5 8 7 20 9 12 4 a) What is the t-observed for the difference between the means? b) What is the p-value c) Based on the p-value and alpha, is there a statistically significant...
Watching TV: The 2012 general Social Survey asked a large number of people how much time...
Watching TV: The 2012 general Social Survey asked a large number of people how much time they spent watching TV each day. The mean number of hours was 3.09 with a standard deviation of 2.72. Assume that in a sample of 34 teenagers, the sample standard deviation of daily TV time is 1.9 hours, and that the population of TV watching times is normally distributed. Can you conclude that the population standard deviation of TV watching times for teenagers differs...
Using your calculator, find the range and standard deviation, round to two decimals places: The table below gives the number of hours spent watching TV last week by a sample of 24 children. Range-7에 Standard Deviation
Using your calculator, find the range and standard deviation, round to two decimals places: The table below gives the number of hours spent watching TV last week by a sample of 24 child 49 20 74 54 75 31 45 80 60 74 47 21 35 67 64 64 39 54 43 31 69 50 99 15 Range 84 Standard Deviation Submit Enter an integer or decimal number [more..]
The following data show the number of hours spent watching television for 10 randomly selected freshmen attending a liberal arts college in the Midwest. Hours of Television Viewed Weekly 12 14 16 13 14 12 18 14 17 15 Calculate the range, variance, standard deviation, and interquartile range for the sample data.
a-c please
3. In order to determine how many hours per week freshmen college students watch television, a random sample of 25 students was selected. It was determined that the students in the sample spent an average of 19.5 hours with a sample standard deviation of 3.9 hours watching TV per week. Please answer the following questions: (a) Provide a 95% confidence interval estimate for the average number of hours that all college freshmen spend watching TV per week. (b)...
The table below displays descriptive statistics for the variable "number of hours spent watching TV" for two groups of people (people who are very happy and people who are not too happy) from the General Social Survey. Use it to answer questions 50-53 below. Respondents who are very happy" Respondents who are not too happy 2.05 3.56 Mean Median Mode Std Deviation Mini Max Mean Vacan Mode Std. Deviation Minimum Maximum 30 21 Question 50 1 pts Compare/contrast "very happy...
please hurry
Paragraph wes of Word have been disabled. Reactivate g Where would the whisker on the boxplot of the times extend to on the high side? [2 marks] 7. ANSWER: A study by the television industry has determined that the average sports fan watches 8 hours per week watching sports on TV with a standard deviation of 1.8 hours. The time spent watching sports on TV is approximately normally distributed. Vancouver TV is considering establishing a specialty sports channel...
Watching TV: The 2012 general Social Survey asked a large number of people how much time they spent watching TV each day. The mean number of hours was 3.09 with a standard deviation of 2.72. Assume that in a sample of 34 teenagers, the sample standard deviation of daily TV time is 1.9 hours, and that the population of TV watching times is normally distributed. Can you conclude that the population standard deviation of TV watching times for teenagers differs...
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