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3 Stats questions
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Hello, Please help with these questions: 1. The correlation between height and weight for adults is 0.80. What percentage of the variability in weight is associated with the relationship to height? Is it, 80%, 4%, 20% or 64%? 2.If an experimental finding of t(5)=+2.8, p<.05 should I be...
Stats
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A consumer survey indicates that the average household spends µ = $155 on groceries each week. The distribution of spending amounts to approximately normal with a standard deviation of σ = $25. Based on this distribution: a. What proportion of the population spends more than $175 per week on...
Stats on savings
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Dear everyone, I am curious on how much avg. americans are saving in bank by age,racial group.( I know that americans have a negative rate on savings, but I am talking about the age group and racial differences) Is there any stats for that topic? The only thing I have found is this... but...
Stats
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I do stats for our softball team, here's my ? Bases are loaded and the pitcher walks the batter, does the batter get credit for a RBI? View more questions Search
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