# Question

Babies born after 40 weeks gestation have a mean length of 52.2 centimeters (about 20.6 inches). Babies born one month early have a mean length of 47.4 cm. Assume both standard deviations are 2.5 cm and the distributions are unimodal and symmetric. (Source: www.babycenter.com)

a. Find the standardized score (z-score), relative to all U.S. births, for a baby with a birth length of 45 cm.

b. Find the standardized score of a birth length of 45 cm for babies born one month early, using 47.4 as the mean.

c. For which group is a birth length of 45 cm more common? Explain what that means.

a. Find the standardized score (z-score), relative to all U.S. births, for a baby with a birth length of 45 cm.

b. Find the standardized score of a birth length of 45 cm for babies born one month early, using 47.4 as the mean.

c. For which group is a birth length of 45 cm more common? Explain what that means.

## Answer to relevant Questions

Assume that women’s heights have a mean of 64 inches (5 feet 4 inches) and a standard deviation of 2.5 inches. a. What women’s height corresponds to a z-score of 1.00? b. What women’s height corresponds to a z-score of ...Find the median and interquartile range of the top seven Pixar animated movies; refer to Exercise 3.41 for the data. In exercise Movie $Millions Toy Story 3 ......... 415 Finding Nemo ........ 340 Up ...The graphs show the house prices (in hundreds of thousands of dollars) in two fictitious towns. a. If you were describing the prices in Town A in terms of shape, center, and spread, without comparing them to the prices in ...According to Forbes.com, the numbers of billionaires in the five states in the Northeast with the most billionaires are given in the table. New York ......... 67 Connecticut ......... 11 Pennsylvania ........ ...The table shows the numbers of capital prisoners (prisoners on death row) in 2013 in the western U.S. states. a. Find the median. b. Find the interquartile range (showing Q3 and Q1 in the process). c. Find the mean number ...Post your question

0