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An academic advisor claims that, on average, physical therapists earn at least $7000 more each year than registered nurses. To investigate the claim, the advisor
An academic advisor claims that, on average, physical therapists earn at least $7000 more each year than registered nurses. To investigate the claim, the advisor constructs a paired data set, choosing 40 physical therapists (in varying locations and with varying years of experience) and 40 registered nurses (pairing the individuals with similar locations and years of experience). The mean difference (physical therapist salary - registered nurse salary) for the sample was $7069.37 with standard deviation $1763.90. Test the claim using a significance level of = 0.1. H0: d 7000 (claim) H1: d < 7000 Left-tailed test, t distribution t = 0.2487 p = 0.5976 Fail to reject H0 since p > Choose the correct interpretation for this hypothesis test. At = 0.1 there is enough evidence to reject the claim that physical therapists earn at least $7000 per year than registered nurses. At = 0.1 there is enough evidence to support the claim that physical therapists earn at least $7000 per year than registered nurses. At = 0.1 there is not enough evidence to support the claim that physical therapists earn at least $7000 per year than registered nurses. At = 0.1 there
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