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Author Question: In a study of parents perceptions of their childrens size, researchers asked parents to estimate ... (Read 154 times)

majortom123

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on: Feb 26, 2023
In a study of parents’ perceptions of their children’s size, researchers asked parents to estimate their youngest child’s height. The researchers hypothesize that parents tend to underestimate their youngest child’s size because the youngest child is the baby of the family and all other family members appear larger compared to the baby. The 39 parents who were surveyed underestimated their youngest child’s height by 7.5 cm, on average; the standard deviation for the difference in actual heights and estimated heights was 0.72 cm, and the data were approximately normal. Which of the following is an appropriate null hypothesis for this study?

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Parents’ estimate of their youngest child’s height is close to the real height, on average.


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Parents tend to overestimate their youngest child’s height, on average.


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Parents tend to underestimate their youngest child’s height, on average.


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None of the above.

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Marked as best answer by majortom123 on Feb 26, 2023

StephaniaF

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Reply #1 on: Feb 26, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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majortom123

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Reply 2 on: Feb 26, 2023
YES! Correct, THANKS for helping me on my review

amynguyen1221

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Reply 3 on: Yesterday
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