According to the central limit theorem, group of answer choices a) the population mean and the mean of all sample means are equal. b) increasing sample size decreases the dispersion of the sampling distribution. c) the sampling distribution of the sample means is approximately normally distributed. d) the sampling distribution of the sample means will be skewed.

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.