HCD 300 exam 2 Question and answers
verified to pass 2025
A health-focused radio show wants to determine what percentage of people in
the Phoenix area are taking cholesterol medication. They ask listeners to call
in and report whether or not they are taking cholesterol medication. What type
of bias might be a problem? - correct answer ✔Selection
Researchers want to determine how many times per week people walk their
dogs. They select a representative sample of 250 dog owners and ask them
about their dog walking habits over the last year. What type of bias might be a
problem? - correct answer ✔
if you fold normal curve, each half would fit perfectly on top of the other. this
characteristic is known as: - correct answer ✔symmetry
in order to say that distribution is positively skewed, which of the following
must be true? - correct answer ✔right tail must be longer than the left
which of the following is a measure of how symmetry - correct answer ✔
