Indicate whether a negative or a positive correlation coefficient would be expected in a study involving the following two indicated variables: Increasing the dosage of Dopamine Hydrochloride tends to increase the blood pressure.
Question 2
Which of the following cannot generate a Poisson distribution?
a. The number of telephone calls received by a switchboard in a specified time period.
b. The number of customers arriving at a gas station on Christmas day.
c. The number of bacteria found in a cubic yard of soil.
d. The number of children in a family.
e. The number of accidents per day on a certain section of a highway.
Gram-positive and Gram-negative bacteria.
Expected and Unexpected Reinforcers
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