Question
You are performing a study about weekly per capita milk consumption. A previous study found weekly...
You are performing a study about weekly per capita milk consumption. A previous study found weekly per capita milk consumption to be normally distributed, with a mean of 39.6 fluid ounces and a standard deviation of 5.5 fluid ounces. You randomly sample 30 people and record the weekly milk consumptions shown below. 32 42 29 31 36 40 29 49 33 40 34 35 25 30 43 35 37 41 41 40 30 26 22 36 48 36 40 36 42 32 (a) Draw a frequency histogram to display these data. Use seven classes. Choose the corect answer below. O B. OA O c. O D. 10- 10 10- 8- 6 10 8- 6- 0- 23.5 0 0 T 23.5 0 P TT 23.5 47.5 Volume 47.5 23.5 Volume 47.5 47.5 Volume Volume iunnhas ouanboud Aouanbau
Answers
We get 7 classes frequency distribution as :
Classes Class boundaries Frequency 22-25 22.5-25.5 2 26-29 25.5-29.5 3 30-33 30.5-33.5 6 34-37 33.5-37.5 8 38-41 37.5-41.5 6 42-45 41.5-45.5 3 45-49 45.5-49.5 2 Hence the histogram is given by,
Hence the correct option is A.
Histogram 10 8 Matr Talent 6 4 2 0 41 37 33 25 Classes 49 45 29 st Frequency
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