a. What is the level of measurement for this variablei? b. What is the mode? c.

Question

a. What is the level of measurement for this variablei? b. What is the mode? c. Calculate the median for this variable. In general, how would you characterize the public's attitude about same-sex marriage? 3· This frequency distribution contains information on the number of hours worked last week for a sample of 32 Latino adults from the GSS 2010. Hours Worked Last Week Frequency Percentage Cumulative Percentage 9.4 15.6 18.8 21.9 31.3 34.4 78.1 84.4 87.5 90.6 93.8 96.9 100.0 9.4 6.3 3.1 20 25 30 9.4 32 43.8 6.3 3.1 3.1 3.1 3.1 3.1 100.0 14 60 64 70 Total 32 a. What is the level of measurement, mode, and median for "hours worked last week"? b Construct quartiles for orkd last year. What is the 25th percentile? The S0th percentile? The 75th percentile? Why don't you need to calculate the 50th percentile to answer this question?

Explanation / Answer

3) here hours worked last week is discrete variable with level of measurement is ratio.

here mode is 40 ; cause its frequency is maximum.

median =(n+1)/2 th value =(32+1)/2 th value =16.5 th value =40 (as 16.5 th value falls in bin 40 or 50th percentile falls in bin 40)

b) 25th percentile =30 (as from cumulative distribution 25th percentile falls in bin 30)

50 th pecentile =median =40

75 th percentile =40 (As  from cumulative distribution 25th percentile falls in bin 40)

as we already calculated median or 50th percentile in part b.

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