The following histogram shows the percentage of residential properties in negative equity or near negative equity for 114 states of a certain country for which data were available in July 2012. Complete parts (a) through (c) below. 357 30- 25 20- 15 10 53 0- 12.5 22.5 32.5 42.5 52.5 Percentage ..... O D. The overall shape is normal. (b) How many states had their percentage between 10% and 14.9%? 21 (Type a whole number.) (c) How many states had their percentage above 45%? (Type a whole number.) Kou anbas

Help. a. About what percent of women in North Arerica are between 58 and 68.5 inches tall? b. About what percent of women in North America are less than 65 inches tall? c. In what range do the middle 99.7% of women's height lie? d. About what percent of women in North America are at least 61.5 inches tal?

The following data, taken from 8 towns in Alberta, are the percentage of residents who are university graduates and the median household incomes (in $ 1000's) for all households in each town. Graduates (%) Median Income ($ 1000) 47.6 34.1 31.5 41.3 34.5 28.1 23.1 20.4 61.7 50.9 57.1 56.4 42.8 42.1 33.2 19.2 Use two-decimal places in your answers. 4 (a) State the slope term and the Y -intercept term of the least squares regression line which attempts to predict the median income of a town in Alberta based on its linear relationship with the percentage of residents who are university graduates. (b) Find the correlation coefficient. (c) As the percenage of university graduates increases by 10%, the median income will change (in $ 1000s) by (make sure you include the positive or negative sign) (d) What percentage of the variation in the variable Median Income is not explained by its linear relationship to the variable Percentage of University Graduates? Use at least one place after the…

2. This table shows the mean and median total cash income for married-couple households (including wages, public assistance, interest/dividends, Social Security, pensions, etc.), by race and Hispanic origin. a apaa Median Household Mean Household Income ($) Income ($) Asian 110,453 78,010 66,893 110,138 145,948 Black 97,667 Hispanic White, non-Hispanic 88,450 129,142 a. Pick one group and interpret the median and the mean. b. For each group, how do the mean and the median compare? Explain why you think this must be the case.