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 our without replacement. Hint Textbook Pages

200 people are asked how many siblings they have? The (incomplete) results are shown below: Siblings Frequency Relative Frequency Cumulative Relative Frequency 0 20 0.1   1 90     2 60     3 0     4       Find the cummulative relative frequency for 3 siblings. Hint Textbook Pages

Determine whether the following is an example of a sampling error or a non sampling error. A psychiatrist surveyed 8000 people to see the proportion who had seen a psychiatrist at least once in their lives. Unfortunately, there was confusion amongst the respondents about the difference between a psychologist and a psychiatrist and the recorded proportion was higher than it should have been due to this confusion. Hint Textbook Pages

Identify the type of data (quantitative – discrete, quantitative – continuous, or qualitative) that would be used to describe a response. Students’ GPAs Hint Textbook Pages

Determine whether the following is an example of a sampling error or a non sampling error. A sociologist surveyed 300 people about their level of anxiety on a scale of 1 to 100. Unfortunately, the person inputting the data into the computer accidentally transposed six of the numbers causing the statistics to have errors. Hint Textbook Pages

Determine if the following is an example of descriptive or inferential statistics. 85 randomly selected fifty-year-old Americans were asked how much money they had saved for their retirement. The average for these respondents was $25,000, the minimum was $0 and the maximum was $1,200,000. Hint Textbook Pages

200 people are asked how many siblings they have? The (incomplete) results are shown below: Siblings Frequency Relative Frequency Cumulative Relative Frequency 0 20 0.1   1 90     2 60     3 0     4       What percent have fewer than 2 siblings? Hint Textbook Pages

Identify the type of data (quantitative – discrete, quantitative – continuous, or qualitative) that would be used to describe a response. Number of pets that are owned. Hint Textbook Pages

Which of the following are reasons that a sampling technique may not be scientific. Choose all that apply. Hint Textbook Pages

200 people are asked how many siblings they have? The (incomplete) results are shown below: Siblings Frequency Relative Frequency Cumulative Relative Frequency 0 20 0.1   1 90     2 60     3 0     4       What percent of the people have exactly 4 siblings? Give your answer as a percent and not a decimal. Hint Textbook Pages