Question

In an effort to gauge how the​ country's population feels about ​ immigration, researchers surveyed adult citizens. One question asked​ was, "On the​ whole, do you think immigration is a good thing or a bad thing for this country​ today?" The results of the​ survey, by​ ethnicity, are given in the accompanying table. Complete parts​ (a) through​ (f).

	Non-Hispanic Whites	Blacks	Hispanics
Good thing	185	154	147
Bad thing	110	105	33
Good and Bad	9	14	12
No Opinion	9	11	6

(a) How many adult citizens were​ surveyed? How many Hispanics were​ surveyed?

(b) Construct a relative frequency marginal distribution.

(c) What proportion of adult citizens feel that immigration is a good thing for this​ country?

(d) Construct a conditional distribution of immigration opinion by ethnicity.

(e) Draw a bar graph of the conditional distribution found in part​ (d).

(f) Is ethnicity associated with opinion regarding​ immigration? If​ so, how?

Answer 1

Answer:

a) Total adults 185+110+9+9+154+105+14+1 1+147+33+12+6 Total adults 795 Total Hispanics 147+33+12+6 Total Hispanics= 198 b) Non hispanic Black Total rf Hispanic Good 185.00 154.00 147.00 486.00 0.61 Bad 110.00 105.00 33.00 248.00 0.31 Good and Bad 9.00 14.00 12.00 35.00 0.04 No opinion 9.00 11.00 6.00 26.00 0.03 Total 313.00 284.00 795.00 198.00 Rf 0.39 0.36 0.25 c) Proportion of adults who thing immigration is good-486/795 0.61 d) Conditional probability Non hispanic Condt Black Condt Hispanic Condt Good 154.00 185.00 0.59 0.54 147.00 0.74 Bad 110.00 0.17 0.35 105.00 0.37 33.00 Good and Bac 9.00 0.03 14.00 0.05 12.00 0.06 No opinion 9.00 0.03 11.00 0.04 6.00 0.03 Total 313.00 1.00 284.00 1.00 198.00 1.00