seems that of engaged women buy a wedding dress at least one size smaller than their current size. Why? Cornell researchers reported an alarming tendency for women who are engaged to sometimes attempt to lose an unhealthy amount of weight prior to their wedding (Neighbors & Sobal, 2008). The researchers found that engaged women weighed, on average, 152.1 pounds. The average ideal wedding weight reported by 227 women was 136.0 pounds.
It seems that of engaged women buy a wedding dress at least one size smaller than their current size. Why? Cornell researchers reported an alarming tendency for women who are engaged to sometimes attempt to lose an unhealthy amount of weight prior to their wedding (Neighbors & Sobal, 2008). The researchers found that engaged women weighed, on average, 152.1 pounds. The average ideal wedding weight reported by 227 women was 136.0 pounds. The data below represent the fictional weights of eight women on the day they bought their wedding dress and on the day they got married. Did women lose weight for their wedding day?
| Dress purchase | Wedding day |
|---|---|
| 163 | 158 |
| 144 | 139 |
| 151 | 150 |
| 120 | 118 |
| 136 | 132 |
| 158 | 152 |
| 155 | 150 |
| 145 | 146 |
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Conduct the six steps of hypothesis testing using a one-tailed test and an alpha level of 0.05.
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Report the test statistic in APA format.
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Calculate the confidence interval for the paired-samples t test that you conducted in part (a). Compare the confidence interval to the results of the hypothesis test.
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Calculate the effect size for this example. According to Cohen’s conventions, how large is this effect?
As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted.....
Given that
Dress purchase Wedding day
163 158
144. 139
151. 150
120. 118
136 132
158 152
155. 150
145 146
Conduct the six steps of hypothesis testing using a one-tailed test and an alpha level of 0.05.
Report the test statistic in APA format.
Calculate the confidence interval for the paired-samples t test that you conducted in part (a). Compare the confidence interval to the results of the hypothesis test.
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