According to internal testing done by the HardCore Apple Company, the mean firmness of their apples, as measured on the Mohs hardness scale is 7.0 with a standard deviation of 0.3.  What is the mean of the sampling distribution for a sample of size n = 16?

A histogram that is positively skewed

Which of the following variables is a categorical variable?

Which of the following is not a property of r ?

One is false about semi conserves in oil, 

The empirical rule states that roughly 95% of the observations fall within ___________ standard deviations of the mean. 

If the “Neanderthal crop” theory was true, how old would agriculture be?

Who is the best PA?

Which is not a conclusion from that study?

[TikTok] Recently TikTok has emerged as an influential platform where people can share information very quickly. From trends, to dances, to products, the platform is able to spread ideas to millions of people overnight. Because of this, many people tend to share cool new products that they have discovered, and this causes them to rapidly sell out from retailers due to an unexpected increase in demand. Which category of source best describes this word-of-mouth phenomenon?