5. You conducted a study (using a matched-pairs design) to measure the differences in body weight (lbs) between identical twins to see if they are significantly different. Each row displays twins (siblings are matched on the same row). You hypothesize that the older twin (older by a few seconds) will weigh less than the younger twin . i. ii. iii. Twin 1 125 122 118 119 130 109 139 137 117 111 Using SPSS, examine whether there is a difference between the older (twin 1) and younger twins (twin 2) at a .05 level of significance. Copy and paste the table generated by SPSS to display the T test, P value, 95% Cl. Compute effect size using omega-squared. Body Weight (lbs) Twin 2 115 136 119 132 143 120 115 124 127 119

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5. You conducted a study (using a matched-pairs design) to measure the differences in body
weight (lbs) between identical twins to see if they are significantly different. Each row displays
twins (siblings are matched on the same row). You hypothesize that the older twin (older by a
few seconds) will weigh less than the younger twin.
i.
ii.
iii.
Twin 1
125
122
118
119
130
109
139
137
117
111
Using SPSS, examine whether there is a difference between the older (twin 1) and
younger twins (twin 2) at a .05 level of significance.
Copy and paste the table generated by SPSS to display the T test, P value, 95% CI .
Compute effect size using omega-squared.
Body Weight (lbs)
Twin 2
115
136
119
132
143
120
115
124
127
119
Transcribed Image Text:5. You conducted a study (using a matched-pairs design) to measure the differences in body weight (lbs) between identical twins to see if they are significantly different. Each row displays twins (siblings are matched on the same row). You hypothesize that the older twin (older by a few seconds) will weigh less than the younger twin. i. ii. iii. Twin 1 125 122 118 119 130 109 139 137 117 111 Using SPSS, examine whether there is a difference between the older (twin 1) and younger twins (twin 2) at a .05 level of significance. Copy and paste the table generated by SPSS to display the T test, P value, 95% CI . Compute effect size using omega-squared. Body Weight (lbs) Twin 2 115 136 119 132 143 120 115 124 127 119
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