HCD 300 exam 2 Exam #1 Questions with correct
answers
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? - ✔✔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? -
✔✔
if you fold normal curve, each half would fit perfectly on top of the other. this
characteristic is known as: - ✔✔symmetry
in order to say that distribution is positively skewed, which of the following must
be true? - ✔✔right tail must be longer than the left
which of the following is a measure of how symmetry - ✔✔
answers
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? - ✔✔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? -
✔✔
if you fold normal curve, each half would fit perfectly on top of the other. this
characteristic is known as: - ✔✔symmetry
in order to say that distribution is positively skewed, which of the following must
be true? - ✔✔right tail must be longer than the left
which of the following is a measure of how symmetry - ✔✔
