SCENARIO 7-1 The Time Spent Studying by Students in the Week Before

question 49

Short Answer

SCENARIO 7-1
The time spent studying by students in the week before final exams follows a normal distribution with a standard deviation of 8 hours.A random sample of 4 students was taken to estimate the mean study time for the population of all students.
-Referring to Scenario 7-1,what is the probability that the sample mean is more than 3 hours below the population mean?

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Definitions:

One-way ANOVA

A statistical test used to compare the means of three or more independent groups to determine if there are any statistically significant differences between the groups' means.

Assumptions

Fundamentals or conditions presumed to be true or accepted as base for any analysis or experiment without having them directly proven.

Profile Plot

A graphical representation of the interaction patterns between treatments and quantitative measurements across various conditions or time points.

P-value

The chance that test outcomes as extreme as or more than the observed results will occur, assuming the null hypothesis is true.