If the city’s shelters have a capacity of 350, will that be enough places for abused women on 95% of all nights?

RES710 Statistical Research Methods And Design I

Week 5 Quiz   

Question 1If the city’s shelters have a capacity of 350, will that be enough places for abused women on 95% of all nights?

 

1.            Yes

 

2.            No

 

Question 2What number of shelter openings will be needed?

1.            250

 

2.            370

 

3.            75

 

4.            374

 

Question 3The current capacity is only 220 openings because some of the shelters have been closed. What is the percentage of nights that the number of abused women seeking shelter will exceed current capacity?

 

1.            62.21%

 

2.            65.54%

 

3.            34.46%

 

4.            40%

 

A criminologist developed a test to measure recidivism, where low scores indicated a lower probability of repeating the undesirable behavior. The test is normed so that it has a mean of 140 and a standard deviation of 40.

 

Question 4What is the percentile rank of a score of 172?

 

1.            78.81st percentile

2.            80th percentile

 

3.            40th percentile

 

4.            28.81 percentile

 

Question 5What is the z-score for a test score of 200?

 

1.            -1.50

 

2.            0.5

 

3.            1

 

4.            1.50

 

Question 6What percentage of scores falls between 100 and 160?

 

1.            28.81%

 

2.            53.28%

 

3.            19.15%

 

4.            34.13%

Question 7What proportion of respondents should score above 190?

 

1.            2.753

 

2.            .0125

 

3.            1.250

 

4.            .1056

 

Question 8Suppose an individual is in the 67th percentile in this test. What is their corresponding recidivism score?

 

1.            155.9

 

2.            140

 

3.            157.6

 

4.            112.9

 

10.          According to National Collegiate Athletic Association (NCAA) data, the means and standard deviations of eligibility and retention rates (based on a 1,000-point scale) for the 2013–2014 academic year are presented, along with the fictional scores for two basketball teams, A and B. Assume that rates are normally distributed.

 

Question 9On which criterion (eligibility or retention) did Team A do better than Team B? Calculate appropriate statistics to answer this question.

 

1.            Team A has better retention and eligibility than Team B.

 

2.            Team B has better retention and eligibility than Team A.

 

3.            Team B has better retention, but Team A has better eligibility.

 

4.            Team A has better retention, but Team B has better eligibility.

Question 10What proportion of the teams have retention rates below Team B?

 

1.            43.25

 

2.            4.325

 

3.            0.4325

 

4.            0.04325

 

Question 11What is the percentile rank of Team A’s eligibility rate?

 

1.            43.25th percentile

 

2.            36.54th percentile

 

3.            35.94th percentile

4.            17th percentile

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