Medicine, 10.06.2020 00:57 hjeffrey168
The table below relates to a study where infants listened to three types of ‘music’ in utero and their advancement to crawling/walking was then observed and categorized as either early, on time, or late. The goal of the study was to determine if there was a statistically significant association between music in utero and time of advancement to crawling/walking in infants. Advancement to Crawling/WalkingRow Sample Sizes Music In UteroEarlyOn TimeLateN Mozart(Piano Sonata)50.8%30.2%19.0%63 Philip Glass (minimalist music)40.0%38.3%21.7%60 White Noiseand Silence17.9%21.1%61.0%44 The table above provides row percentages and sample sizes. For example, 50.8% of ‘Mozart’ infants have ‘Early’ advancement to crawling/walking and there are 63 total ‘Mozart’ infants. a. Based upon the row percentages provided, fill in the contingency table below with the approximate cell counts, rounding to the nearest whole number. Advancement to Crawling/Walking Music In UteroEarlyOn TimeLate Mozart(Piano Sonata) Philip Glass (minimalist music) White Noiseand Silence Do the data indicate an association between music in utero and time of advancement to crawling/walking in infants? Conduct an appropriate hypothesis test to answer this question using a 0.05 significance level. Provide the hypotheses, test statistic(s), p-value(s), and a formal conclusion. (Hint: Use Chi-Square test).
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The table below relates to a study where infants listened to three types of ‘music’ in utero and the...
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