The most likely way for a t test to be presented in a research article for a study with 25 participants is a. t (25) < significant b. t (25) = 3.01, p < .05 c. t (24) = 2.94, p <...
The most likely way for a t test to be presented in a research article for a study with 25 participants is a. t (25) < significant b. t (25) = 3.01, p < .05 c. t (24) = 2.94, p <...
1)You conducted a t test for independent means, and found that the t score equaled 0. This means that a. the two population means must be equal. b. the two population variances must be equal...
1)Rejecting the null hypothesis when the research hypothesis is false is a. effect size. b. power. c. a Type I error. d. a Type II error 2)Failing to reject the null hypothesis...
a single piece of rectangular cardboard can be folded around a 5" by 7" photo cund taped along the seams to create a protective cover suitable for mailing. if the cardboard is folded as...
A sports psychologist gave a questionnaire about healthy eating habits to randomly selected professional athletes. The results are displayed below. Using the α =.05 significance level, is there a...
The mass, m milligrams , of a radioactive substance, present at time t years after first being observed, is given by m=300e-0.85t . Given that p milligrams is the amount of the substance that...
I dont understtand.
Fenitoine is administered intravenously through a bolus injection. The concentration, C µg/ml , of the drug in the blood, t hours after administration is given by C=4.86e-0047t . State the concentration...
The curve y=axn-23 passes through (3,4), (9,220) and (-1,k). Find the values of a, n and k. Ans: a=3, n=2 and k=-20 Thank You!:)
y-y1=m(x-x1) The slope of the line is represented by the number m, while the point of the line is represented by its x- and y- coordinates x1 and y1 respectively. Using the definition...
Differentiate the following with respect to x. cos(x+π)/sin3x Ans: [sin(x+π)sin3x +3cos(x+π)cos3x]/ sin23x Thank you! :)
The function f is defines by f(x)=sinx + cosx , for 0≤x≤2π. Find (i) The range of values of x for which f(x) is increasing (ii) The range of values...
It is lunchtime and you wish to build a pizza with 1 choice of crust, 1 meat, 1 vegetable. You have the following choices: 2 types of crust, 4 types of meats, and 7 types of vegetables. How many different...
Really stumped with this problem. Any help is great
Given that tan A =2/3 where pi<A<3pi/2, find, without using a calculator, the value of tan (1/2 A). Ans: (-3-√13)/2 Thank You! :)
1) In principal, a distribution of means can be formed by A) calculating the mean of all the possible samples of a given size and dividing it by the variance. B) using the sample's mean and...
The rates of return from firms A, B and C are x%, y% and 5% respectively. Firm A's rate differs from firm B's rate by half the difference in the rates between firm B and firm C. Find the possible...
these problem are hard for me to do can you help me
How can I simplified expression for (6y^2) (2y^5)
R varies directly with g and inversely with the square of h; R=3 when g=3 and h=5. a. R=5(g/h^2) b. R=5(h^2/g) c. R= 25(g/h^2) d. R= 25gh^2