Question 1
The hourly salaries at a business follow a normal distribution with a mean of 18 and a standard deviation of 4.
What is the probability that someone has a salary between 16 and 26? Round your answer to two decimal places.
Don’t forget to draw the picture to help you. You can use Excel or the table in your book on page 386 to find the probabilities.
Question 2
The attached dataset contains measures for a set of cars and trucks. Use JASP and the attached dataset to calculate the mean, median, standard deviation, minimum and maximum of the car and truck variables.
cars16.sav
Question 3
The attached dataset contains the height and weight measurements of 49 people. Use JASP and the attached dataset to calculate Pearson’s correlation along with the p-value. Write your solution in APA format and copy and paste your JASP output into the solution box.
heightweight132.sav
Question 4
Please interpret the results, write you conclusion statement and the APA formatted statement.
Is there a relationship between time spent studying and quiz scores? A student ran a correlation test and had the following results:
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