Question

In: Statistics and Probability

The lengths (in minutes) of a random selection of popular children's animated films are listed below....

The lengths (in minutes) of a random selection of popular children's animated films are listed below. Estimate the true mean length of all children's animated films with 95% confidence.

93, 83, 76, 78, 100, 78, 76

Part A. Calculate the x bar.

Part B. Calculate s.

Part C. Determine ta/2 values with 95% confidence.

Part D. Estimate the true mean film length with 95% confidence.

Part E. Consider the aforementioned dataset. What would be the average distance each value is from the mean?

Show all work. Thank you!

Solutions

Expert Solution


Related Solutions

Listed below are 20 lengths (in minutes) of randomly selected movies. (a) Construct a relative frequency...
Listed below are 20 lengths (in minutes) of randomly selected movies. (a) Construct a relative frequency histogram to represent the data. Use six classes with a class width of 11, and begin with the first interval class [89, 100), and the second interval class [100, 111), and so on. 90,   92,   94,   94,   95,   96,   105,   108,   110,   116, 117, 119, 119, 120, 125, 132, 132,   136,   149,   154 (b) Calculate the sample mean and the sample standard deviation. (c)...
The numbers of grams of protein in a random selection of granola and protein bars are listed below. Construct a boxplot for the data.
The numbers of grams of protein in a random selection of granola and protein bars are listed below. Construct a boxplot for the data.14     15     11     4     26     10     2415     12     15     27     8     10     10Compare your results to a boxplot for the amount of protein found in single servings of various high-protein drinks, as shown below.18     42     40     40     15     10     1515     20     21     42     20     34  
The accompanying table lists a random selection of usual travel times to​ school, in​ minutes, for...
The accompanying table lists a random selection of usual travel times to​ school, in​ minutes, for 40 secondary school students in country A. A second selection of usual travel times to​ school, in​ minutes, was randomly selected for 40 students in country B. Complete parts​ a) and​ b). Sample Country A   Sample Country B 45   29 5   10 4   9 14   30 50   5 21   8 21   7 19   15 21   10 21   36 24   16 36   10 14   24...
Listed below are the body lengths (in inches) and weights (in lb) of randomly selected bears:...
Listed below are the body lengths (in inches) and weights (in lb) of randomly selected bears: Length 40         64         65         49         47 Weight 65        356       316        94         86 Find the value of the linear correlation coefficient. Letting y represent weights of bears and letting x represent their lengths, find the regression equation. Based on the given sample data, what is the best predicted weight of a bear with a length of 72.0 inch ?
Listed below are the body lengths (in inches) and weights (in lb) of randomly selected bears:...
Listed below are the body lengths (in inches) and weights (in lb) of randomly selected bears: Length 40         64         65         49         47 Weight 65        356       316        94         86 Find the value of the linear correlation coefficient. Letting y represent weights of bears and letting x represent their lengths, find the regression equation. Based on the given sample data, what is the best predicted weight of a bear with a length of 72.0 inch?
Listed below are the thorax lengths​ (in millimeters) of a sample of male fruit flies. Find...
Listed below are the thorax lengths​ (in millimeters) of a sample of male fruit flies. Find the range and standard deviation for the given sample data. 0.84 0.83 0.66 0.87 0.88 0.91 0.65 0.71 0.71 0.87 0.660.84   0.83   0.66   0.87   0.88   0.91   0.65   0.71   0.71   0.87   0.66   
The values listed below are waiting times? (in minutes) of customers at two different banks. At...
The values listed below are waiting times? (in minutes) of customers at two different banks. At Bank? A, customers enter a single waiting line that feeds three teller windows. At Bank? B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A 6.36.3 6.66.6 6.76.7 6.86.8 7.17.1 7.37.3 7.47.4 7.87.8 7.87.8 7.87.8 Bank Upper BBank B 4.24.2 5.45.4 5.85.8 6.26.2 6.76.7 7.77.7 7.77.7 8.68.6 9.39.3 10.010.0 Construct aa...
The values listed below are waiting times​ (in minutes) of customers at two different banks. At...
The values listed below are waiting times​ (in minutes) of customers at two different banks. At Bank​ A, customers enter a single waiting line that feeds three teller windows. At Bank​ B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A 6.4 6.6 6.7 6.8 7.1 7.3 7.4 7.7 7.7 7.7 Bank B 4.1 5.3 5.9 6.2 6.8 7.6 7.6 8.4 9.4 10 Construct a 99​% confidence...
The values listed below are waiting times​ (in minutes) of customers at two different banks. At...
The values listed below are waiting times​ (in minutes) of customers at two different banks. At Bank​ A, customers enter a single waiting line that feeds three teller windows. At Bank​ B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A 6.46.4 6.66.6 6.76.7 6.86.8 7.17.1 7.27.2 7.57.5 7.87.8 7.87.8 7.87.8 Bank Upper BBank B 4.24.2 5.35.3 5.85.8 6.16.1 6.76.7 7.87.8 7.87.8 8.48.4 9.49.4 10.010.0 LOADING... Click...
The values listed below are waiting times​ (in minutes) of customers at two different banks. At...
The values listed below are waiting times​ (in minutes) of customers at two different banks. At Bank​ A, customers enter a single waiting line that feeds three teller windows. At Bank​ B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A 6.5 6.6 6.7 6.8 7.1 7.3 7.6 7.9 7.9 7.9 Bank Upper B 4.3 5.3 5.9 6.2 6.8 7.8 7.8 8.4 9.2 10.0 Construct a 95%...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT