# Question

The following frequency distribution represents the number of live births (in thousands) in the United States in 2008 by age of mother.

Age of Mother (years) ... Births (thousands)

10–14 .......... 6

15–19 ........... 435

20–24 ........... 1053

25–29 ........... 1197

30–34 ........... 958

35–39 ........... 489

40–44 ......... 106

(a) Construct a relative frequency distribution.

(b) Construct a frequency histogram. Describe the shape of the distribution.

(c) Construct a relative frequency histogram.

( d) What percentage of live births were to mothers aged 20 to 24?

(e) What percentage of live births were to mothers of age 30 or older?

Age of Mother (years) ... Births (thousands)

10–14 .......... 6

15–19 ........... 435

20–24 ........... 1053

25–29 ........... 1197

30–34 ........... 958

35–39 ........... 489

40–44 ......... 106

(a) Construct a relative frequency distribution.

(b) Construct a frequency histogram. Describe the shape of the distribution.

(c) Construct a relative frequency histogram.

( d) What percentage of live births were to mothers aged 20 to 24?

(e) What percentage of live births were to mothers of age 30 or older?

## Answer to relevant Questions

A sample of 100 randomly selected registered voters in the city of Naperville was asked their political afﬁliation: Democrat (D), Republican (R), or Independent (I). The results of the survey are shown on the next ...The side-by-side bar graph on the next page shows the average grade point average for the years 1991–1992, 1996–1997, 2001–2002, and 2006–2007 for colleges and universities. (a) Does the graph suggest that grade ...The following data represent the number of cars that arrived at a McDonald’s drive-through between 11:50 a.m. and 12:00 noon each Wednesday for the past 50 weeks: (a) Construct a frequency distribution of the data. (b) ...Every year the U.S. Census Bureau counts the number of people living in poverty. The bureau uses money income thresholds to deﬁne poverty, so noncash beneﬁts such as Medicaid and food stamps do not count toward poverty ...A survey of U.S. adults and teens (ages 12–17) was administered by Pew Research April 29–May 30, 2010, to determine the number of texts sent in a single day. (a) Construct a relative frequency distribution for ...Post your question

0