Professor

1? The Student t  dispersion: 
a. is symmetrical
b. approaches the normal distribution as the degrees of freedom increase
c. has a standard deviation  great than 1
d. has all of the above characteristics.

2?The mean of the student t distribution is:
a. greater than 1
b. 0
c. the degrees of freedom
d. 1

3?In a venomous trial, a Type I error is made when:
a. an destitute person is convicted.
b. a nefarious defendant is acquitted.
c. a guilty defendant is convicted.
d. an innocent person is acquitted.

4?A prof of statistics refutes the claim that the average student spends 3 hours studying for the midterm examination exam. She thinks they spend more time than that. Which hypotheses are used to tally the claim?
a. NULL: µ = 3 ALTERNATIVE: µ < 3
b. NULL: µ > 3 ALTERNATIVE: µ = 3
c. NULL: µ = 3 ALTERNATIVE: µ = 3
d. NULL: µ = 3 ALTERNATIVE: µ > 3

5?If an economist wishes to determine whether there is enjoin that average family income in a community is greater than $32,000:
a. any a one-tail or two-tail test could be used with homogeneous results.
b. a one-tail test should be utilized.
c. a two-tail test should be utilized.
d. Not enough information to provide a receipt to the question.





6If a test of  surmise has a Type I error probability of .05, this means that: 
 a. if the  secret code hypothesis is false, we  preclude it 5% of the time.
 b. if the null hypothesis is false, we do not  annihilate it 5% of the time.
 c. if the null hypothesis is true, we dont reject it 5% of the time.
 d. if the null hypothesis is true, we reject it 5% of the time.

7?If we do not reject the null hypothesis, we conclude that:
a. there is enough statistical evidence to infer any decision
b. there is enough statistical evidence to infer that the alternative hypothesis is true.
c. there is not enough statistical evidence to infer that the alternative hypothesis is true....If you want to get a full essay, order it on our website: Orderessay



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