# Watch the “Statistics: Z-Score Table” segment of the “Probability Distributions for Continuous Random Variables” video. 1. What does a Z score tell you? 2. What does it mean if the Z score has a negative sign?

PSY 315 Week 3 Discussion Questions

Watch the “Statistics: Z-Score Table” segment of the “Probability Distributions for Continuous Random Variables” video.

### Save your time - order a paper!

Get your paper written from scratch within the tight deadline. Our service is a reliable solution to all your troubles. Place an order on any task and we will take care of it. You won’t have to worry about the quality and deadlines

Order Paper Now

1. What does a Z score tell you?

2. What does it mean if the Z score has a negative sign?

Watch Segment 2, “Statistics: Probability and Prediction,” of the “Inferential statistics” video, located in this week’s Electronic Reserve Readings.

3. When do you need to set a very low (smaller) level of chance in research?

Watch the “Hypotheses: Null Hypothesis, Alternative Hypothesis, Two-Tailed Hypothesis” segment of the “Introduction to Designing Experiments” video.

4. What is a random sample? Provide an example.

5. Explain the eight characteristics of a normal distribution.

6. Explain why converting raw scores to z scores is helpful in understanding data.

7. Explain the concept of a sampling distribution.

8. Identify three characteristics of the sampling distribution of the sample mean.