#1. Please answer each of the following questions using information from the readings. Use the worksheet 1 to fill out. Include at least 3 sources at the end of worksheet. Worksheet upload in this order
Population and sample:
What is a population?
What is a sample?
What is the difference between a statistic and a parameter?
What is the margin of error in statistics, and why is it important?
What is the difference between quantitative and qualitative data?
Describe the four levels of measurements
Nominal
Ordinal
Interval
Ratio
Provide examples of variables found in educational research that exist in each of the four levels of measurement described above.
Nominal
Ordinal
Interval
Ratio
What is a hypothesis?
What is a hypothesis test?
Statistical hypothesis:
What is the null hypothesis?
What is the alternative hypothesis?
Please explain what a p-value is for a hypothesis test.
Length: Please complete the worksheet provided for this assignment.
Use
References: At least 3 scholarly sources (the course textbooks will work as a reference)
#2.
Complete Worksheet 2 using the use of SPSS. Access to the SPSS will be shared.
grades.sav file
Then, answer these questions:
What is the number of GPAs?
What is the range?
What is the mean?
What is the standard error?
What is the standard deviation?
Please write a short paragraph using the questions above (APA style, 7th edition ) which includes a brief description of the dataset (variables included in the dataset), the number of subjects, and the mean and standard deviation of the dataset.
