# Question: When placed in solutions of varying ionic strength paramecia grow

When placed in solutions of varying ionic strength, paramecia grow blisters in order to counteract the flow of water. The following 60 measurements in microns are blister lengths:

(a) Construct an ordered stem-and-leaf diagram.

(b) Give a point estimate of the median m = π0.50.

(c) Find an approximate 95% confidence interval for m.

(d) Give a point estimate for the 40th percentile, π0.40.

(e) Find an approximate 90% confidence interval for π0.40.

(a) Construct an ordered stem-and-leaf diagram.

(b) Give a point estimate of the median m = π0.50.

(c) Find an approximate 95% confidence interval for m.

(d) Give a point estimate for the 40th percentile, π0.40.

(e) Find an approximate 90% confidence interval for π0.40.

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