In a survey of high school students, 1100 students were randomly selected from California, and the proportion who spoke a second language in addition to English was 0.15. Based on that sample statistic, what is the best
Estimate of the proportion for all high school students in California?
A)165
B)0.85
C)0.5
D)0.15

Question

Quizplus · Accepted Answer

The best estimate of the proportion for all high school students in California who speak a second language, based on the sample statistic, is 0.15. This is because in statistics, the sample proportion is used as the point estimate for the population proportion.

In a Survey of High School Students, 1100 Students Were