Confidence intervals for the population mean
Not what you're looking for?
The owner of Britten's Egg Farm wants to estimate the mean number of eggs laid per chicken. A sample of 18 chickens shows they laid an average of 25 eggs per month with a standard deviation of 7 eggs per month.
(a-1) What is the value of the population mean?
It is unknown.
25
7
(a-2) What is the best estimate of this value?
Best estimate
(c) For a 95% confidence interval, what is the value of t? (Round your answer to 3 decimal places.)
Value of t
(d) Determine the 95% confidence interval for the population mean. is (Round your answers to 2 decimal places.)
Confidence interval to
(e-1) Would it be reasonable to conclude that the population mean is 19 eggs?
No
Yes
(e-2) What about 22 eggs?
No
Yes
Purchase this Solution
Solution Summary
The expert examines confidence intervals for a population mean.
Solution Preview
(a-1) What is the value of the population mean?
Answer: it is unknow as the value is not given in the question.
(a-2) What is the best estimate of this value?
Answer: Best estimate is the sample mean which is 25.
(c) ...
Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.