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Statistics

week 2 quiz

QuestionAnswer
In a study, the data you collect is number of surveys completed and returned. What type of data is this? Quantitative - Discrete
descriptive / inferential statistics. 300 female Osprey hatch-lings were tracked until they died or succeeded in laying their own eggs. Based on data, researchers concluded somewhere in 12% -18% of female hatch-lings in USA succeed in growing to lay eggs. Inferential Statistics
Identify the type of data that would be used to describe a response. Amount of Body Fat Quantitative - Continuous
The list of the 65 Yes or No answers for whether each customer ordered dessert. data
All customers who come to the restaurant Population
The proportion of the 65 randomly selected customers who ordered dessert Statistic
The 65 restaurant patrons whose receipts were observed by the owner Sample
The proportion of all customers who order dessert Parameter
The answer: Yes or No to whether a customer ordered dessert Variable
The proportion of the 55 randomly selected clients who stayed married Statistic
All of the counselor's clients Population
The list of Yes or No answers to the question on whether the clients stayed married Data
The 55 randomly selected clients that were chosen for this study Sample
The answer Yes or No to the question on whether a client stayed married Variable
The proportion of all of the counselor's clients who stayed married Parameter
In a study, the sample is chosen by selecting seven diverse rooms of a building, and appraising all items in those rooms. What is the sampling method? Cluster
In a study, the data you collect is Habits on a Always/Sometimes/Never scale. What is the level of measurement? ordinal
Determine if following is example of sampling error or non sampling error. 12% of people are L handed. researcher randomly selected 200 people, found 16% were L handed. No mistakes were made in data collection or recording. 4% difference is due to ... Sampling Error
Randomly selecting 20 cards out of a 52 card deck, the probability of each outcome will be basically the same whether it is done with or without replacement. False
90 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. What is the cumulative relative frequency for flossing 1 time per week?___% 10, 0.1222, 66, 26.66%
Created by: colby.caswell
 

 



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