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A web page design firm has two designs for an online hardware store To determine which is the more effective design the firm uses one page with only teenage visitors and a second page with only adult visitors For each visit the firm records the visitor s rating on the layout and the number of items viewed Complete parts a through c below b What are the two response variables For each response variable state whether it is qualitative or quantitative Select all that apply A One response variable is the number of items viewed This response variable is quantitative B One response variable is the web page design This response variable is qualitative C One response variable is the visitor s rating on the layout This response variable is qualitative D One response variable is the age group This response variable is qualitative c Explain how confounding might be an issue with this study Choose the correct answer below OA Since the variables are not all quantitative or all qualitative they may interact causing the results to be misleading or incorrect OB Since there is only one explanatory variable and two response variables the explanatory variable will not affect both response variables equally resulting in misleading results OC Since there are two response variables in this study they may interact causing the results to be misleading or incorrect O D Since the designs are being tested with two different age groups preferences depending on the age group may groups

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