Multiple Choice
A random sample of Ersatz University students revealed that 16 females had a mean of $22.30 in their wallets with a standard deviation of $3.20,while 16 males had a mean of $17.30 with a standard deviation of $9.60.In comparing the population variances at = .10 in a two-tailed test,we conclude that:
A) the variances are equal.
B) the variances are unequal.
C) the variances are incomparable (different sample sizes) .
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Two well-known aviation training schools are being
Q5: During a test period, an experimental group
Q44: A random sample of Ersatz University students
Q52: Carver Memorial Hospital's surgeons have a new
Q57: In a left-ailed test comparing two means
Q58: Random samples of students were compared to
Q60: Mary analyzed occupancy rates at two community
Q65: Two well-known aviation training schools are being
Q78: When using independent samples to test the
Q102: At Huge University, a sample of 200