Suppose you have a random sample of 200 students' GMAT scores that have a sample mean of 700 and sample standard deviation of 50, and would like to calculate the 90 percent confidence interval of the population mean. Which of the following would be the correct construction?
A. 700 ± 1.65 
B. 700 ± 1.65 
C. 700 ± 1.96 
D. 700 ± 1.96 
Answer: B
You might also like to view...
Because so few bacteria can be grown easily in culture, but all of them contain DNA, molecular techniques like PCR and SSU rRNA are used to be able to identify and quantify microorganisms as a "census" for diversity.
Answer the following statement true (T) or false (F)
Before a glucose molecule can be broken down to
release energy, a. one ATP molecule must be added to glucose. b. two phosphate groups must be attached to glucose. c. three ATP molecules must be added to glucose. d. one ATP molecule must be taken away from glucose. e. it must be converted to glycogen
If the genotypic frequencies for an allele in a population at Hardy-Weinberg equilibrium are 0.635 homozygous dominants, 0.430 heterozygotes, and 0.125 homozygous recessives, what is the frequency of the recessive allele?
A) 0.35 B) 0.65 C) 0.125 D) 0.875 E) 0.01
Refer to the accompanying figure. Which of the following represents the fall turnover?
a. 1 going to 2
b. 2 going to 3
c. 3 going to 4
d. 4 going to 1
e. 4 going to 2