Shar

I am real stuck, if i am collecting like terms would 19z+z+10/19z be 10/19+21z

A data set includes 108 body temperatures of healthy adult humans for which x is 98.2 degrees and s is 0.64 degrees. What is the best point estimate of the mean body temperature of all healthy humans?

Failing to reject the null hypothesis when it is false is a Type II Error. T or F, and why or why not?

A particular country has 55 total states. If the areas of 30 states are added and the sum is divided by 30, the result is 196,582 square kilometers. Determine whether this result is a statistic or a parameter and why.

A ladder 15m long reaches a window which is 9m above the groubd on one side of the street. Keeping its foor at the same point, the ladder is turned to the other side of the street to reach a window 12m high. The width of the street is ______ meter?

I wanna make sure I understand how to do this so, the math problem is -25+37 the answer would be 12 right?

V=4.8x 350 gallons = 4.8 gal x 72.91 minutes

I agree that this text is like reading someones accounting of his past and then fitting it into the text somehow. I am surprised at how many pages there are of story telling before they actually get to the informative part for psychology.

The result is a statistic because it describes some characteristics of a sample. Or is it because if describes some characteristics of a population? this is where I get confused. thanks

What are the correct answers?