Use the given frequency distribution to find the Class width, Class midpoints, Class boundaries

Question 15. Use the given frequency distribution to find the Temperature(°F)Frequency45-48149-52353-56557-601161-64765-68769-721 Class widthClass midpointsClass boundaries Answer – Class Width          = (48-45) = 3                   Class midpoints   = (48+45)/2=93/2=46.5                   Class…

Continue ReadingUse the given frequency distribution to find the Class width, Class midpoints, Class boundaries

Lettuce is planted on a 51-acre field. The field is divide into one-acre subplots. A sample is taken from each subplot to estimate the harvest.

Question 14. Identify the sampling techniques used and discuss potential sources of bias (if any). Explain. Lettuce is planted on a 51-acre field. The field is divide into one-acre subplots.…

Continue ReadingLettuce is planted on a 51-acre field. The field is divide into one-acre subplots. A sample is taken from each subplot to estimate the harvest.

Every eighth person entering a cafeteria is asked to choose his or her favorite meal from the list of five different meals that include the description of each.

Question 13. Identify the sampling techniques used and discuss potential sources of bias (if any). Explain. Every eighth person entering a cafeteria is asked to choose his or her favorite…

Continue ReadingEvery eighth person entering a cafeteria is asked to choose his or her favorite meal from the list of five different meals that include the description of each.
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