Frozen Meals. COOK of Sittingbourne, England, provides baking instructions for its frozen meals. According to the instructions,

Question:

Frozen Meals. COOK of Sittingbourne, England, provides baking instructions for its frozen meals. According to the instructions, the average baking time for Chicken and Tomato pasta is 10 to 12 minutes. If the times are normally distributed, the standard deviation of the times should be approximately 1 minute. A random sample of 15 pastas yielded the following baking times to the nearest tenth of a minute. 10.2 15.1 11.6 13.0 12.4 12.8 10.4 11.5 11.5 11.1 11.6 10.5 12.5 10.1 11.9 At the 1% significance level, do the data provide sufficient evidence to conclude that the standard deviation of baking times exceeds 1 minute? (Note: The sample standard deviation of the 15 baking times is 1.44 minutes.)

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Introductory Statistics

ISBN: 9781292099729

10th Global Edition

Authors: Neil A. Weiss

Question Posted: