Author Question: The histogram shows the ages (in months) that babies learned to walk. Use this histogram to solve ... (Read 127 times)

Frost2351 · **on:** Feb 2, 2020

Question 1

The combined SAT scores of the freshman class at a particular university are normally distributed with a mean of 1000 and a standard deviation of 100. What percentage of the freshmen class had combined SAT scores above 1110?

Question 2

The histogram shows the ages (in months) that babies learned to walk. Use this histogram to solve the problem.

(i) Find the median age that a baby learned to walk.
(ii) Find the first quartile by determining the median of the lower half of the data.
◦ (i) median = 11.5;
(ii) first quartile = 9.5
◦ (i) median = 13;
(ii) first quartile = 12.5
◦ (i) median = 11;
(ii) first quartile = 10
◦ (i) median = 12;
(ii) first quartile = 10.5

onowka · **Reply #1 on:** Feb 2, 2020

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