⟩ In autonomic nervous system all preganglionic neurons are cholinergic
True
True
What is the effect of an outlier on the value of a correlation coefficient?
One use of a regression line is?
Which of the following would indicate that a dataset is not bell-shaped?
A scatter plot of number of teachers and number of people with college degrees for cities in California reveals a positive association. The most likely explanation for this positive Association is?
A list of 5 pulse rates is 70, 64, 80, 74, 92. What is the median for this list?
Which one of these statistics is unaffected by outliers?
A polling agency conducted a survey of 100 doctors on the question “Are you willing to treat women patients with the recently approved pill RU-486”. The conservative margin of error associated with the 95% confidence interval for the percent who say yes is?
Scenario A study was done to compare the lung capacity of coal miners to the lung capacity of farm workers. The researcher studied 200 workers of each type. Other factors that might affect lung capacity are smoking habits and exercise habits. The smoking habits of the two worker types are similar, but the coal miners generally exercise less than the farm workers do?
Most of the women in this sample felt that their actual weight was?
The median of the distribution is approximately?