MULTIPLE CHOICE (1 point each). Choosethe best alternative and write the corresp

Question

MULTIPLE CHOICE (1 point each). Choosethe best alternative and write the corresponding letter in thespace provided.

__ _____A).   Whenever a hypothesis is tested, theevidence that is used to determine validity comes from the:

a) decision    b) conjecture   c)sample data d) theory.

______B. A grocery store owner is interested in determining ifthe average weight of a package of ground beef sold in the storeweighs one pound. An appropriate null hypothesis for this studyis

                       a.        H0: m = 1 lb

                       b.        H0: m ¹ 1lb    

                       c.        H0: m > 1 lb

                       d.        H0: m < 1 lb

_______C. The appropriate Alternative hypothesis for anupper-tail test to determine if mean body weight of all the men whohave joined a health club exceeds 185 pounds would be

                       a.        HA: m ³ 185 lb.

                       b.        HA: m > 185lb.          

                       c.        HA: m £ 185lb.          

                       d.        HA: m ¹ 185 lb.

______D. The shape of the F distribution is:

A) symmetric B) skewed right   C) skewedleft D) the same as the t distribution

_______E. The technique that is used to determine if three ormore population means are equal by analyzing the variation in thedata is known as:

A) chi-square test   B) ANOVA    C) correlation analysis    D) regressionanalysis

_______F. The number of items in the sample that are free tovary is called:

A.     teststatistic      B. criticalvalue         C. degrees offreedom      D. p-value

_______G. Two independent samples are taken. The numberin the first sample is 15 and the number in the second sample is12. How many degrees of freedom are associated with the criticalvalue?

A.3             B.27                 C.25               D. none

_______H. The condition for rejecting or accepting Ho iscalled:

_______I. One of the following parametric tests does not requiredegrees of freedom:

A.F-test            B.t-test           C.z-test          D. sign test

____ J. In two ANOVA, experiments are repeated for each methodof study to obtain additional data. This process is known as:

A. randomization       B.replication        C.factorization     D. treatment

E. experimental design

Explanation / Answer

A. c. sample data B. a. H0: m = 1 lb C. b. HA: m > 185lb. D. b) skewed right   E. b) ANOVA     F. c. degrees offreedom       G. c. 25    H. c. decision rule I. c.z-test           J. b.replication       

Related Questions

Navigate

• Browse (All)
• Browse M
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.