JUST ANSWER THE MULTI CHOICE NO FURTHER explanation NEEDED JUST ANSWER WITH LETTER PLEASE

1.

Multiple choice

A company tests every 200^th item in a production line for defects. What type of sampling method is used?

a. Simple random sampling

b.Cluster sampling

c.Stratified random sampling

d.Systematic sampling

2.

The telephone area code of clients in New Zealand is an example of ________ level of data measurement.

Select one:

a.

ordinal

b.

ratio

c.

rank order

d.

nominal

3. A statistics student made the following grades on 5 tests: 84, 78, 88, 78 and 72. What is the median grade?

Select one:

a.

80

b.

72

c.88

d.

78

4. Data was collected from 25 respondents to determine the monthly expenditure on groceries. The stem-and-leaf display of the data is shown below.

stem unit: $100 leaf unit: $10 4 6 N 1246 3 0134666 4 23345789 5 345 6 2