Which of the following graphical presentations is not appropriate for categorical data?   Pareto chart scatter plot bar chart pie chart

Bias is a synonym for Mean Absolute Deviation. True False

Fused non-wovens or fiberwebs can be created by:           Group of answer choices Mechanical means such as needle-punching            Termal fusion             Both A and B             Neither A or B

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Responses collected from a Yelp review of a restaurant would be an example of what type of sampling? convenience sampling simple random sampling stratified sampling cluster sampling

Consider a sample with data values of 26, 24, 21, 16, 31, 35, 29, and 24. Compute the 20th, 25th, 65th, and 75th percentiles.

Why is it important to always pre-test a questionnaire?

The following data set was collected from a survey  30, 25, 25, 23, 31, 31,21, 19, 32, 26, 32, 23, 32, 20, 20, 25, 25, 20, 18, 29, 30, 19, 24 If a relative frequency distribution is to be constructed with classes 18-21, 22-25, 26-29, and 30-33, what is the relative frequency of the 18-21 class? Round your answer to the nearest hundredths

In a study, the sample is chosen by grouping people by their city of residence and selecting 10 residents from each city.What is the sampling method? Simple Random Sampling Systematic Sampling Stratified Sampling Cluster Sampling Convenience Sampling

The manager of the customer service division of a major consumer electronics company is interested in determining whether the customers who have purchased a Blu-ray player made by the company over the past 12 months are satisfied with their products. If a customer survey questionnaire is included in all the Blu-ray players made and sold by the company over the past 12 months, this method of collecting data will most like suffer from       measurement error.     nonprobability sampling.     coverage error.     nonresponse error.