Question

Identify which type of sampling is used. A research team wants to study the demographics of college students in the U.S. using proportionate samples of students in majors reflecting actual U.S percentages. 9) A) Convenience B) Cluster C) Stratified D) Simple random E) Systematic 10) A marijuana survey included 1610 responses from a list of approximately 241,500,000 adults 10) in the U.S. from which every 150,000 name was surveyed. Identify which of these types of sampling is used: A) Stratified B) Cluster C) Convenience D) Systematic E) Simple random 11) A gardener has 75 clients, 45% of whom are businesses. Find the number of business elients A) 41 clients B)34 clients C36 clients D) 73 clients 12) A marketing firm does a survey to find out how many people use a product. Ofthe one 12) hundred people contacted, fifteen said they use the product. Identify the type of study used A) Experiment B) Observational study 13) The similarity between an ordinal level of measurement and an interval level of 13 measurement is that A) Both can be arranged in some order B) Differences between data values cannot be determined or are meaningless C) Differences between data values can be determined and are meaningful D) Neither can be arranged in some order 14) Which of the following does not apply to the ratio level of measurement? A) Can be arranged in order B) Differences between dat a values can be found and are meaningful C) Cannot be arranged in order D) There is a natural zero starting point 15) Determine which level of measurement is appropriate. A sample of children's balls are B) Ordinal C Ratio 16) Determine which level of measurement is appropriate. Salaries ofcollege professors. classified from sofest to hardest. A) Interval D) Nominal 16) A) Interval B) Orn C Ratio D) Nominal 17) Which of the following is an inappropriale way to deal with missing data? A) Delete cases with missing data C) Determine if missing values are random B) Substitute missing values D)Ignore missing data

Answer 1

11)
75 *0.45 = 33.75 = 34
B)

12)
This is observational study
13)
A) both can be arranged in some order

14)
C) can't be arranged in order

15)
B) ordinal

16)
C) ratio

Answer 2

10. convinience