A report noted that for the population of 9th graders, one-third of the students are unable to pass a quiz in basic geography. One teacher, having spent a great deal of time on geography instruction, gave the same quiz to a group of n = 72. Only X = 18 students in the group did not pass the test. The teacher would like to know if the number of students in this class who failed the quiz is significantly different from the general population. For this test, what is the z-score corresponding to X = 18?
A) z = 0.375
B) z = -1.00
C) z = -1.50
D) z = 2.00
Question 2
A researcher obtains t = 2.35 for a repeated-measures study using a sample of n = 8 participants. Based on this t value, what is the correct decision for a two-tailed test?
A) Reject the null hypothesis with = .05 but not with = .01.
B) Reject the null hypothesis with either = .05 or = .01.
C) Fail to reject the null hypothesis with either = .05 or = .01.
D) Change to = .10.
Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus
The mark-recapture technique is often used to estimate population size.
A child with a hearing impairment wears a hearing aid (as noted in his left ear).
The world attempted to deal with Somalia as if it were a real country but painfully learned that Som
Population Indicators
Population and Community Health Nursing, 6th Edition