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(b) Find the critical value(s). Round the answer(s) to at least three decimal places. If there is more than one critical value, separate them with commas. Critical value(s): D (c) Compute the test value. Always round t score values to at least three decimal places. \"D :1 \fCigarette Smoking A researcher found that a cigarette smoker smokes on average 29 cigarettes a day. She feels that this average is too low. She selected a random sample of 8 smokers and found that the mean number of cigarettes they smoked per day was 30. The sample standard deviation was 2.3. At a= 0.10, is there enough evidence to support her claim? Assume that the population is approximately normally distributed. Use the critical value method and tables. (a) State the hypotheses and identify the claim. HOE] Hl: E] (Choose one) V This hypothesis test is a (Choose one) V test