QMB 3250 Exam 1 UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
One sample, categorical, one response - CORRECT ANSWER one proportion
One sample, categorical, one response but more than two options - CORRECT ANSWER chi
squared goodness of fit
One sample, categorical, two responses per case - CORRECT ANSWER chi squared test of
independence
One sample, quantitative, one response - CORRECT ANSWER one mean
One sample, quantitative, two responses - CORRECT ANSWER paired means
Two independent samples, categorical response variable and categorical explanatory variable -
CORRECT ANSWER two independent proportions
Two independent samples, quantitative response variable and categorical explanatory variable -
CORRECT ANSWER two independent means
Multiple samples, categorical - CORRECT ANSWER chi squared test of homogeneity
One mean parameter - CORRECT ANSWER mu
One mean hypothesis - CORRECT ANSWER H0: mu =mu0
HA: mu ><not= mu0
One mean assumptions - CORRECT ANSWER independent/random
10% condition
Nearly normal distribution
, One mean name of test - CORRECT ANSWER t test
One proportion parameter - CORRECT ANSWER p
One proportion hypothesis - CORRECT ANSWER H0: p = p0
HA: p ><not=p0
One proportion assumptions - CORRECT ANSWER independent/random
10% condition
Successes and failures >=10
One proportion name of test - CORRECT ANSWER 1 prop z test
Two independent means parameter - CORRECT ANSWER mu2-mu1
Two independent means hypothesis - CORRECT ANSWER H0: mu2-mu1=0
HA: mu2-mu1 ><not=0
Two independent means assumptions - CORRECT ANSWER independent/random
10% condition
Nearly normal distribution for both
Two independent groups
Two independent means name of test - CORRECT ANSWER 2 sample t test
Two independent proportions parameter - CORRECT ANSWER p2-p1
Two independent proportions hypothesis - CORRECT ANSWER H0: p2-p1=0
HA: p2-p1 ><not=0
QUESTIONS AND CORRECT ANSWERS
One sample, categorical, one response - CORRECT ANSWER one proportion
One sample, categorical, one response but more than two options - CORRECT ANSWER chi
squared goodness of fit
One sample, categorical, two responses per case - CORRECT ANSWER chi squared test of
independence
One sample, quantitative, one response - CORRECT ANSWER one mean
One sample, quantitative, two responses - CORRECT ANSWER paired means
Two independent samples, categorical response variable and categorical explanatory variable -
CORRECT ANSWER two independent proportions
Two independent samples, quantitative response variable and categorical explanatory variable -
CORRECT ANSWER two independent means
Multiple samples, categorical - CORRECT ANSWER chi squared test of homogeneity
One mean parameter - CORRECT ANSWER mu
One mean hypothesis - CORRECT ANSWER H0: mu =mu0
HA: mu ><not= mu0
One mean assumptions - CORRECT ANSWER independent/random
10% condition
Nearly normal distribution
, One mean name of test - CORRECT ANSWER t test
One proportion parameter - CORRECT ANSWER p
One proportion hypothesis - CORRECT ANSWER H0: p = p0
HA: p ><not=p0
One proportion assumptions - CORRECT ANSWER independent/random
10% condition
Successes and failures >=10
One proportion name of test - CORRECT ANSWER 1 prop z test
Two independent means parameter - CORRECT ANSWER mu2-mu1
Two independent means hypothesis - CORRECT ANSWER H0: mu2-mu1=0
HA: mu2-mu1 ><not=0
Two independent means assumptions - CORRECT ANSWER independent/random
10% condition
Nearly normal distribution for both
Two independent groups
Two independent means name of test - CORRECT ANSWER 2 sample t test
Two independent proportions parameter - CORRECT ANSWER p2-p1
Two independent proportions hypothesis - CORRECT ANSWER H0: p2-p1=0
HA: p2-p1 ><not=0
