2. Answer the following questions for each statement: Is this a descriptive or i
ID: 3315435 • Letter: 2
Question
2. Answer the following questions for each statement: Is this a descriptive or inferential statistics? What is the population? What is the sample? What is the variable of interest? A) Based on data collected from 300 undergraduates, the Mitchell Memorial Library at Mississippi State determined that 67% of college students have pulled at least 3 all- night study sessions. B) Phil Dunphy gathered data on every house sold for the past 30 years in Los Angeles, and determined that houses sold during those 30 years in Los Angeles were on the market for an average of four and a half months. C) During a recent promotion, Starbuck's used data collected from rewards cardholders that when they offer a 20% discount on the second beverage purchased, that customers purchased an average of 16.37 more beverages per month than usual. D) After surveying 126 people working in the food service industry, one of the top selling lifestyle magazines found that 76% of food service workers think that at least 50% of the human population are actually just lizard people in disguise.Explanation / Answer
QUestion 2
(a) Descriptive/ inferental statistic : Inferential statistic
Population : College students
Sample : 300 undergraduates from mitchell Memorial librarary
Variable of interest : Yes/Noabout students pulled at least 3 night study sessions.
(b)
Descriptive/ inferential statistic : Descriptive statistic [ all houses are sampled]
Population : Houses sold in Los angles
Sample : Each house sold in last 30 years in Los angles
Variable of interest : The time that a houses was in the market before selling.
(c)
Descriptive/ inferential statistic : Descriptive statistic
Population : Rewards cardholder
Sample : Reward cardholders who participated in promotion scheme
Variable of interest : The number of exra bevarage purchased by these individuals.
(D)
Descriptive/ inferential statistic : Inferential statistic
Population : Employee of food service industry
Sample : 126 people sampled by lifestyle megzine.
Variable of interest : Yes/NO what people think tht humn population are actually lizard people in disguise.
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