A survey of all beings on planet Yoy had 80 beings surveyed altogether. If 12 preferred yoy juice to all other juices, what percent of beings in the survey preferred yoy juice?

standard deviation 3 a normal distribution random variable with mean 23 and that the probability \[ P(X>x)=0.66 \]

University administrators have recently realized that students who tend to spend more time in the library achieve higher grades on their final examinations. What type of relationship would a researcher call this tendency? (A) positive relationship (B) A negative relationship (C) An inverse relationship (D) There is no correlational relationship between time spent in the library and subsequent final exam

In a one-sample t-test, which of the following is true about the null hypothesis? (B) The sample mean is greater than the population mean (C) The sample mean is not equal to the population mean (D) The sample size is larger than 30

What is the main goal of hypothesis testing in statistics? A To prove that the null hypothesis is true. B To determine whether there is enough evidence to reject the null hypothesis. (C) To calculate the mean of the population. (D) To verify the accuracy of the sample data.

A Cramer's V of .90 would be indicative of a weak of relationship (A) True (B) False