Question
Justify for all answers so I can understand better 2. Choose the best answer. Justify for full credit. (Part A ) The hotel ratings are
Justify for all answers so I can understand better
2. Choose the best answer. Justify for full credit.
(Part A ) The hotel ratings are usually on a scale from 0 star to 5 stars. The level of this
measurement is
(i) interval
(ii) nominal
(iii) ordinal
(iv) ratio
(Part B) In a career readiness research, 100 students were randomly selected from the
psychology program, 150 students were randomly selected from the communications
program, and 120 students were randomly selected from cyber security program. This
type of sampling is called:
(i) cluster
(ii) convenience
(iii) systematic
(iv) stratified
3. True or False. Justify for full credit.
(a) If the variance from a data set is zero, then all the observations in this data set must be
identical.
(b) The median of a normal distribution curve is always zero.
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