Answer the fоllоwing questiоn? All аnswers must be bаsed on the course mаterials in this class. Q1. What symbol do you use for a point estimate when you find a confidence interval for the mean? Q2. What is the mean value of the standard normal curve? Q3. What would be the area under the normal curve on the right, one standard deviation from the mean? (Write in decimal) Q4. When do you say there is a positive linear relationship exists between two variables? Q5. When does a Type II error occur? Q6. When is the sampling distribution of a sample mean normal? Q7. Give an interpretation of the third quartile? OR what do you mean by the third quartile of some data set is 50? Q8. What is the symbol of sample standard deviation used in this course? Q9. Is the mean or median greater when the data is skewed to the right? Q10. What is the sample size when the degree of freedom is 99?