population mean is greater than 77 sec, what does df denote, Nineteen different video games showing violence were observed. The duration times of violence (in seconds) were recorded. When using this sample for at test of the claim that and what is its value? What does denote? O A. The sample size O B. The number of degrees of freedom OC. The sample standard deviation O D. The test statistic The value of df is. (Type an integer or a decimal. Do not round.)

Three students were applying to the same graduate school. They came from schools with different grading systems. Student GPA School Average GPA School Standard Deviation Thuy 2.6 2.4 0.5 Vichet 83 90 20 Kamala 8.7 8.2 0.8 Table 2.74 How many standard deviations is each student away from hiir school average? If the student GPA is higher than his school average, enter this as a positive number. If the student GPA is lower than his school average, enter this as a negative number. Thuy is Number standard deviations from Thuy's school average. Vichet is Number standard deviations from Vicheť's school average. Kamala is Number standard deviations from Kamala's school average. Which student had the best GPA when compared to other students at his school? O Thuy O Vichet O Kamala

please help with def

Homework: Week 6 Sa Score: 0 of 1 pt 5 of 14 (4 complete) HW Score: 28.57%, 4 of 14 5.4.3 Question Help A population has a meanu= 80 and a standard deviation o = 21. Find the mean and standard deviation of a sampling distribution of sample means with sample size n= 232. (Simplify your answer.) In Enter your answer in the answer box and then click Check Answer. Check Answer Clear All 1 part remaining earch

open file attached for question

We would like to investigate if there is a difference in mean coffee consumption frequency between students at Rutgers, Princeton, and the University of Michigan. What test would we likely conduct? Independent samples t-test One Sample z-test Paired samples t-test One Way ANOVA

just the last part, i included the sample. thank you!

urgent

please see attached - thank you in advance

What is it's value