(a) A sample of 25 males has a mean standing height exceeding 70 inches.

(b) A sample of 35 females has a mean sitting height below 32 inches.

(c) A sample of 9 males has a mean arm span between 69 and 71 inches.

(d) A sample of 50 females has a mean weight above 125 pounds.

Transcribed Image Text:

Males Females Variable Standing height (inches) 67.9 Sitting height (inches) Arm span (inches) Weight (pounds) Breathing capacity (in3) 219 Pull strength (Pounds) 2.8 63.3 2.6 36.0 1.4 33.9 1.3 69.9 3.0 63.0 2.9 143 15.5 123 14.3 39.2 138 28.6 74 12.2 40 7.3 Table: Means and standard deviations of normal distributions approximating natural occuring distributions in adults. Males Females Variable Standing height (inches) 67.9 Sitting height (inches) Arm span (inches) Weight (pounds) Breathing capacity (in3) 219 Pull strength (Pounds) 2.8 63.3 2.6 36.0 1.4 33.9 1.3 69.9 3.0 63.0 2.9 143 15.5 123 14.3 39.2 138 28.6 74 12.2 40 7.3 Table: Means and standard deviations of normal distributions approximating natural occuring distributions in adults.