5th grade science
There are two criteria for your answer. What is a nonmetal? What is not an electrical conductor? What is left?
Find the mean first = sum of scores/number of scores Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance. Standard deviation = square root of variance 95% = mean ± 1.96 ...
What are your choices?
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Multiply equation by x. 3 + 4 + 2x = 2x Equation has no solution.
From your limited data, there is no variability measure for t-test. I wouldn't even know how to figure the mean. You might want to use chi-square test for whatever you are hypothesizing. To use the Chi-square (X^2) method: X^2 = ∑ (O-E)^2/E, where O = observed freque...
Do you have a calendar? Count the days.
Since this is not my area of expertise, I searched Google under the key words "nutrient definition" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=nutrient+definition&ie=UTF-8&oe=UTF-8 In the future, you can find the information y...
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. With three unknowns, you need more data.
This is a little clearer. The larger portion (body) for positive Z scores is to the left. For negative Z scores, it is to the right. Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probabi...