1) A researeer randonly surveys 200 individuals. She asks those surveyed for the
ID: 3074749 • Letter: 1
Question
1) A researeer randonly surveys 200 individuals. She asks those surveyed for their age and the 50 and over Can the researcher conehude that being 50 or older cuses you to prefer tea? a) No, the dats were eollected using an observational study. b) No, the researcher did not obtain large enough sample. als ages 21-49and i·most popular l Yes, the data were collected using a gold standard Yes, anecdotal evidence should always be believed e) controlled experiment. d) true. gathered Use the follewing tables to answer the next ghree questions. The data in each table was from a random sample of the same five Individuals Table Table 2 Table 3 Height (in) Male Height (in) Sex 62 71 Male Heights Female Heights Male 62 Male 71 68 73 Male 73 68 Female 68 2) Which of the tables contain(s) a coded variable? a) Only Table 1 b) Only Table 2 c) Only Table 3 d) Both Tables I and 2 3) Which of the tables contain(s) stacked data? a) Only Table 1 b) Both Tables 2 and 3 c) Only Table 3 d) Both Tables 1 and 2 4) The "Height (in)" variable is what type of variable? a) Numerical and discrete. b) Numerical and continuous. c) Categorical and discrete d) Categorical and continuous.Explanation / Answer
Q1. From the survey the researcher observed that tea is most popular hot beverage among individuals ages 50 and over.
we can not conclude that being 50 or older causes you to prefer tea.
b) No, the researcher did not obtain a large enough sample.
Q2. Only Table 1 contains a coded variable.
where male is coded as 1
and female coded as 0
Q3. Both Table 1 and 2 contains stacked data.
Since the value of all the variable are in single group.
Q4.The height (in) is a numerical and discrete.
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