Unit 2 - Statistics Post Assessment
6.
Use the following two-way table to answer the questio...
Mathematics, 16.12.2021 21:40, allieballey0727
Unit 2 - Statistics Post Assessment
6.
Use the following two-way table to answer the questions below.
Ages
Republican
Democrat Independent
18 - 29
241
351
409
30 - 49
299
330
370
50-64
282
341
375
65+
279
382
343
Total
1101
1404
1497
Total
1001
999
998
1004
4002
a) What proportion of the sample are ages 30 – 49?
b) What proportion of the 18 - 29 year olds are Democrat?
c) Amongst Republicans what proportion are age 50 and older?
d) What proportion of the sample are Democrat or Independent?
e) Interpret the following joint relative frequency in the context of this problem: 351/4002
1 Interpret the following conditional relative frequency in the context of this problem:
375/1497
Answers: 2
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