In a random sample of 810 women employees, it is found that 81 would prefer working for a female boss. The width of the 95% confidence interval for the proportion of women who prefer a female boss is _____.
A. ± .0207
B. ± .0105
C. ± .0288
D. ± .0196Weegy:
B. ??? .0288Auto answered|Score .6|Eusph|Points 177|User:
Twelve randomly-chosen students were asked how many times they had missed class during a certain semester, with this result: 2, 1, 5, 1, 1, 3, 4, 3, 1, 1, 5, 18.
For this sample, the median is _____.
Hi! The standard deviation is approximately 4.7506 Auto answered|Score .6|changela|Points 253|User:
A poll showed that 48 out of 120 randomly chosen graduates of California medical schools last year intended to specialize in family practice. What is the width of a 90% confidence interval for the proportion that plan to specialize in family practice?
A. ± .08765
B. ± .07357
C. ± .04472
D. ± .00329
A. .07357 Auto answered|Score 1|mebacani|Points 0|User:
Sampling error can be reduced by __________.
A. increasing the sample size
B. utilizing simple random samples
C. none of the these affect sampling error
D. decreasing the sample size
Sampling error can be reduced by increasing the sample size. www.emathzone.com/tutorials/basic-statistics/sampling-errors.htmlAuto answered|Score .6
All Categories|No Subcategories|Auto Answered|7/13/2013 12:13:52 PM