1a)Choose the best answer. Justify the answer. (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

(b) Explain the answer. 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

2True or False. Justify answers. (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.