Stat 1350 Chap 2

Front 1

How do you allow impersonal chance to choose the sample for your survey?

Back 1

Conduct a sample

Front 2

one way to choose a random sample is ?

Back 2

Both putting all names in a hat and drawing out a handful and assigning each individual a number and using www.randomizer.org

Front 3

If a statistical study systematically favors certain outcomes then it is called?

Back 3

Biased

Front 4

Suppose a packaging inspector decides to inspect a sample from a crate of eggs for freshness. Each crate has 5 trays of 30 eggs each stacked on top of each other. The inspector decides to examine only the top row. Why is this sample biased?

Back 4

Front 5

You decide to conduct a sample survey of 10 classmates about the university's new alcohol policy. You decide to survey the first 10 people to walk in the door. This is an example of?

Back 5

Convenience sampling

Front 6

American Idol asks viewers to call in to vote on their favorite performer. This is an example of?

Back 6

Voluntary response sampling

Front 7

Women's daily, a magazine which caters primarily to an over 49 female audience, conducts survey on their magazine about which sex (male or female) cheats more. This survey is biased because ?

Back 7

Front 8

A sampling method that best avoids biased is?

Back 8

A simple random sample

Front 9

Selection of which ever individuals are easiest to reach is called?

Back 9

A convenience sampling

Front 10

Chooses Itself by responding to a general appeal.

Back 10

A voluntary response sample

Front 11

Convenience samples and voluntary samples are often ?

Back 11

Biased

Front 12

Write in or call in opinion polls are examples of ?

Back 12

Voluntary response samples

Front 13

The systemic favoritism of certain individuals or outcomes. It tends to systematically over present one part of the data.

Back 13

Bias

Front 14

__?____ helps to decrease the chance of bias harming statistics.

Back 14

Randomization

Front 15

In voluntary response people choose ?

Back 15

whether to respond

Front 16

In a convenient sample, the interviewer?

Back 16

makes the choice

Front 17

size n consists of n individuals from the population chosen in such a way that every set of n individuals has an equal chance to the sample actually selected.

Back 17

Simple random sample (SRS)

Front 18

Back 18

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Front 22

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