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Write the Lagrangian for a one-dimensional particle moving along the x-axis and subject to a force F=-kx (with k possitive). Find the lagrange eqn of the motion and solve it.
lagrange eqn 0=mX+Kx where X is the second erv with respect to T
The quality-control manager at a light bulb factory needs to determine whether the mean life of a large shipment of light bulbs is equal to 375 hours. The population standard deviation is 100 hours.
In light of these data, are the percentages of divorcing couples with prenuptial agreements equal in these four places?
Farmers know that driving heavy equipment on wet soil compresses the soil and injures future crops. Here are data on the "penetrability" of the same type of soil at 2 levels of compression.
The average price of a car wash is $5.00. A sample of six car washes averaged $5.70 and had a sample standard deviation of $1.30. Assuming a normal population, use the critical value method to test the claim at a= 0.05.
The 95% prediction interval for a new patient with a 2-day cholesterol level of 220 is
Construct a 90% prediction interval for sales when the total sq footage is 4.2 billion. The equation of the regression line is yhat=499.967x - 1595.147.
Sample of six car washes averaged $5.70 and had the sample standard deviation of $1.30. Suppose the normal population, use critical value method to test claim at a= 0.05.
State the hypotheses for a right-tailed test. Obtain a test statistic and p-value assuming unequal variances. Why might the sample data not follow a normal, bell-shaped curve? If not, how might this affect your conclusions?
What is the difference between the critical-value method and the p-value method of hypothesis testing? Include in your post how the question's topic pertains to your health discipline.
Explain the conclusion that there were no statistically significant differences (p ≥ 0.05) between the benefits of behavioral therapy and psychoanalysis when treating an eating disorder.
Using a 1% level of significance, can the hypothesis that the distributions for the student's scores are identical be accepted?
A shoe salesman want to see if his female customers have a preference in the color of shoe purchased. What is the test value for the following data?
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