Question

Hiking Trail (problems 31-32) Park Rangers in a local state park record the number of hikers each day on a popular hiking trail using a laser sensor. The summary statistics for a randomly selected 90 days last season are shown below Min edian 3 Max Mean SD n 29 291.53 73 451.25 736 375.4 127.5 31. Construct an interval that will include at least 75% of the observations а. (247.9, 502.9) b. (291.5, 451.3) c. (120.4, 630.4) d. (127.5, 375.4) 32. Assume that the histogram for the number of hikers is mound-shaped and symmetric. Construct an interval that will include approximately 68% of the observations. а. (247.9, 502.9) b. (120.4, 630.4) С. (0,758) d. (291.5, 451.3)

Answer 1

eh, min : n29, Q, 29/.5, Meahon -373, Mean 375.9 31 any numoiat ats iet, at least 3 l tta duta 375°y± 255 1204, 620-4 Hinie 62-A Num-SD meanfSD So, Inte at that u include oppoximatdy 684。 247.9 ,502-9) Henie