Question

Sports psychologists are interested in whether the pulses of long-distance runners differ from those of other athletes. They obtain a random sample (N = 8) of long-distance runners, measure their resting pulses, and obtain the following data:

45, 42, 64, 54, 58, 49, 47, and 55 (beats per minute)

The average resting pulse of athletes in the general population is 60 beats per minute.

Conduct a statistical test based on the .05 significance level (i.e., ? = .05) to conclude whether or not the pulses of long-distance runners differ from those of other athletes.

Hypothesis set up

Population 1:
(µ1
=
,
?1 =
)

Note the subscription can vary depending on the research scenario.
Also, unknown could be an answer.

Sample of population 1: ________________________________________ ( = ________, s =________)

Population 2: (µ2 = , ?2 = )

Null hypothesis (verbal description followed by symbols representing the hypothesis):

_______________________________________________________________________________ (H0: ).

Alternative hypothesis (verbal description followed by symbols representing the hypothesis): _______________________________________________________________________________ (Ha: ).

This is a (directional / nondirectional) hypothesis (one / two -tailed hypothesis).

Answer #1

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