110_lec16_Simulation_Expected_Values

# 110_lec16_Simulation_Expected_Values - A sampling...

This preview shows pages 1–6. Sign up to view the full content.

A sampling Distribution is a Probability Model Recall a sampling distribution describes the values assumed by a statistic upon repeated sampling. Think of a sampling distribution as assigning probabilities to the values the statistic can take. We can’t predict the outcome of one sample, but the outcomes of many samples have a regular pattern.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Sampling Distribution A simple random sample of 1523 adults are asked whether they bought a lottery ticket in the last 12 months. What is the statistic? The sampling distribution for has a normal distribution. 1523 yes" " say number who ˆ = p p ˆ
Sampling Distribution for p ˆ

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Sampling Distribution for Estimate the mean. Estimate the standard deviation. In the long run, 95% of the ‘s are between _________ and _________. 10% of the time, is below ________. p ˆ p ˆ p ˆ
Where Probabilities Come From Probability : the proportion of times that an outcome would occur in a very long series of repetitions. Based on data from many repetitions (relative frequency) or Based theory (theoretical).

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern