A researcher determined that the correlation between height in inches and 50-yard-dash time in seconds for 123 eleven-year-old boys in a city recreation program was -0.51. Which of the following statements is the best interpretation of this finding?
A) As height increases, this causes speed to decrease.
B) Tall boys run faster than short boys over 50% of the time.
C) There is some tendency for dash scores to decrease as height increases.
D) There is a very poor relationship between height and dash scores because the correlation is negative.
E) The taller the person, the larger his dash score tends to be.
Correct Answer:
Verified
Q1: Select the false statement below.
A) The classification
Q2: Select the false statement below.
A) A measure
Q3: A researcher reported that for 100 college
Q4: Select the true statement concerning percentiles and
Q6: Select the false statement below.
A) A correlation
Q7: Select the false statement concerning the range.
A)
Q8: When the data distribution is skewed, which
Q9: When the data distribution is normal, which
Q10: The mean of T-score distribution is:
A) 50.
B)
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