n = 9 scores, compute r and the estimated Cohen's d to measure a. A the size of treatment effect. Assuming that the sample consists of n- scores, compute r and the estimated Cohen's d to measure the size of treatment effect. c. Comparing your answers from parts a and b, how does the number of scores in the sample influence 16 the measures of effect size? 20. An example of the vertical-horizontal illusion is shown in the figure. Although the two lines are exactly the same length, the vertical line appears to be much longer. To examine the strength of this illusion, a researcher prepared an example in which both lines were exactly 10 inches long. The example was shown to individual participants who were told that the hori- zontal line was 10 inches long and then were asked to estimate the length of the vertical line. For a sample of n = 25 participants, the average estimate was M = 12.2 inches with a standard deviation of s = 1.00. a. Use a one-tailed hypothesis test with a = .01 to demonstrate that the individuals in the sample sig- nificantly overestimate the true length of the line. (Note: Accurate estimation would produce a mean of u = 10 inches.) b. Calculate the estimated d and r, the percentage of variance accounted for, to measure the sze of this effect. c. Construct a 95% confidence interval for the popu- lation mean estimated length of the verticai line.

Q: 12 I+(-1'] = i=1

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Q: 4.21 The random variable x has the following discrete probability distribution: 10 11 12 13 14 P(x)…

A: We have given that  Probability distribution.  x 10 11 12 13 14 p(x) 0.2 0.3 0.2 0.1 0.2 I…

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A: First we calculate 2^5.2^5= 2x2x2x2x2=32

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Q: middle one

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A: Here we have to find the value of 9C4.

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A:

Q: Number 6

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Q: Answer number 2

A: Use property of logarithms

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A: In this question we have to find the range of the graph given in the question.

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A: Given,          210-42-3-1-4-203-51

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Unitary Method

The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products. 

Speed, Time, and Distance

Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.

Profit and Loss

The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.

Units and Measurements

Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.