Classify each sample as simple random, systematic, stratified, or cluster. a. In
ID: 3300993 • Letter: C
Question
Classify each sample as simple random, systematic, stratified, or cluster. a. In a large school district, all teachers from two buildings are interviewed to determine whether they believe the students have less homework to do now than in previous years. b. Every seventh customer entering a shopping mall is asked to select her or his favorite store. c. Nursing supervisors are selected using random numbers in order to determine annual salaries. d. Mail carriers of a large city are divided into four groups according to gender (male or female) and according to whether they walk or ride on their routes. Then 10 are selected from each group and interviewed to determine whether they have been bitten by a dog in the fast year. Classify each level of data as Nominal, Ordinal, Interval, or ratio data values: a. Temperatures of freezer cases at Target (in Fahrenheit). _____ b. Ribbons earned at a horse show (blue ribbon, red, yellow, green, and pink) ______ c. Zip codes ______ d. Scores on this quiz from 3 sections of Statistics. ________Explanation / Answer
Solution:
10)
a) Simple random sampling
b) Systematic sampling
c) Simple random sampling
d) Startified sampling
11)
a) Interval
b) Nominal
c) Interval
d) Interval
Done