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assistant takes a random sample of 15 mothers with at least two children from the...

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assistant takes a random sample of 15 mothers with at least two children from the hospital records and records the birthweights of the first two children in pounds Birth Weight of next older sibling Birth Weight of younger sibling Difference 5 1 5 3 6 7 4 7 3 8 5 8 8 3 6 4 6 1 6 4 5 8 7 8 5 3 4 5 6 6 Select one 1 3 0 5 1 1 0 6 0 7 Which of the following is the correct value and interpretation of the standard deviation of the differences younger sibling next older sibling a 1 24 and 1 46 The standard deviation of the weights of the younger sibling tends to be 1 24 pounds and the standard deviation of the weights of the next older sibling tends to be 1 46 pounds on average b 0 893 The weight of the younger sibling tends to be 0 893 pounds less on average than their next older sibling O c 0 483 The mean difference younger sibling next older sibling in birth weight tends to vary on average 0 483 pounds from a mean difference of zero pounds d 0 483 The weight of the younger sibling tends to be 0 483 pounds greater on average than their next older sibling e 0 483 The mean difference 0 8 9 5 7 8 5 4 9 3 2 5 6 6 4 5 9 5 6 4 1 2 0 6 2 4 0 7 0 8 6 1 7 3 6 6 0 5 0 9 0 7

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