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The following data were collected in an experiment designed to investigate the impact of different positions of...

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Statistics

The following datawere collected in an experiment designed to investigate the impactof different positions of the mother during ultrasound on fetalheart rate. Fetal heart rate is measured by ultrasound in beats perminute. The study includes 20 women who are assigned to oneposition and have the fetal heart rate measured in that position.Each woman is between 28-32 weeks gestation. The data are shownbelow.

Back

Side

Sitting

Standing

140

141

144

147

144

143

145

145

146

145

147

148

141

144

148

149

139

136

144

145

Mean = 142.0

Mean = 141.8

Mean = 145.6

Mean =146.8

Is there a significantdifference in mean fetal heart rates by position? Run the test at a5% level of significance.

Answer & Explanation Solved by verified expert
4.5 Ratings (938 Votes)
HypothesisIn WordH0 There is no significant difference in mean of fatal heartrates of PostionH1 There is a significant difference in    See Answer
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