Author: Anonymous

A sample of n = 4 scores is selected from a population with an unknown mean. The sample has a mean of M = 40 and a variance of s2 = 16. Which of the following is the correct 90% confidence interval for μ?

What is the value of (ΣX)2 for the following scores? Scores: 1, 5, 2

Nitrogen has five electrons in its valence shell. How many electrons does it need to gain to complete its valence shell?

66.       A Barr body in a mammalian female cell represents:

The average verbal SAT score for the entire class of entering freshmen is 530. However, if you select a sample of 20 freshmen and compute their average verbal SAT score you probably will not get exactly 530.  What statistical concept is used to explain the natural difference that exists between a sample mean and the corresponding population mean? __________________ error.

Based on all of the above results, write a sentence demonstrating how the results from the hypothesis test and the confidence interval would appear in a research report (using Cohen’s d, not eta-squared in the write up).

85.       Which of the following does NOT describe members of the Kingdom Fungi?

86.       The protein coat of a virus is called the:

Which of the following is the correct null hypothesis for an independent-measures t test? Please note that the symbol “=/ ” below refers to ‘does not equal to’ 

  Figure 4-2 Use the figure to answer the corresponding question(s).         The cellular structure indicated by the arrow in the accompanying figure is responsible for: