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Please explain this concept?
A value of r = 0.158 shows that there is very little relationship of any kind between the variables being compared.
1 AnswerMathematics1 decade agoPlease explain this concept?
If the claim says that the population mean is greater than 200 and the sample mean is 215, we can say that the claim is true even without a formal test.
1 AnswerMathematics1 decade agoPlease explain what is wrong and why.?
. A value of r = 0.851 shows that there is very little linear relationship between the two variables being compared.
2 AnswersMathematics1 decade agoPlease help me with this problem?
The day before a big election, a pre-election survey showed that Candidate A got 52%, and Candidate B got 48%. The margin of error is 3%. If nothing changes, Candidate A will win.
1 AnswerHomework Help1 decade agoPlease explain this concept.?
Because the tails of the normal distribution curve are infinitely long, the total area under the curve is also infinite. 0
2 AnswersHomework Help1 decade agoPlease explain this concept.?
A normal distribution curve may be symmetric, left-skewed, or right-skewed.
1 AnswerMathematics1 decade agoPlease explain this statistical concept.?
If a probability distribution curve is bell-shaped, then this is a normal distribution.
1 AnswerMathematics1 decade agoExplain what is wrong and why.?
A good way to decrease a confidence interval is to increase the sample size
1 AnswerMathematics1 decade agoExplain what is wrong and why.?
The higher the confidence level, the narrower the confidence interval
1 AnswerMathematics1 decade agoNeed help with Statistics problem?
In a lottery, buying more tickets does not affect your chances of winning a prize.
Could someone help me, please?
2 AnswersMathematics1 decade agoExplain what is wrong and why it is wrong.?
John has 3 suits, 10 shirts, and 12 neckties. He will need to buy some more clothes if he wants to come to work each work day in a different outfit for a whole year.
3 AnswersMathematics1 decade agoExplain what is wrong and why it is wrong.?
You bought 10 lottery tickets. One of them won a prize. That means that the probability of winning a prize is
1/10.
4 AnswersMathematics1 decade agoFor a set having only negative values, both the mean and standard deviation will be negative.?
Could someone explain to me? Thank you.
2 AnswersMathematics1 decade agoFor a given data set, the mean and median are always nearly equal.?
Is this a true statement? Can someone explain it to me?
3 AnswersMathematics1 decade agoInvestment question-please help?
Part of $9,000 was invested at 10% interest and the rest at 12%. If the annual income from these investments was $940, how much was invested at each rate?
2 AnswersWords & Wordplay1 decade agoSystem of addition problem?
Could someone help me?
Solve the following system by addition:
4x+7y=7
2x-3y= -2
Thanks
5 AnswersMathematics1 decade agoCould someone help me?
A printer has two presses. One has a setup cost of $210 and can print the pages of a certain book for $5.69. The other press has a setup cost of $350 and can print the pages of the same book for $5.31. Find the break point.
1 AnswerHomework Help1 decade agoPart of $10,000 was invested at 6% interest and the rest at 7.5%.?
If the annual income was $712.50, how much was invested at each rate.
Could someone show me how to solve?
Thank you.
2 AnswersMathematics1 decade agoFind the slope of the line determined by the following equation.?
x=5-y/4
Could someone show me how to find slope?
Thanks.
1 AnswerHomework Help1 decade ago