QNT Final

What will be the prospect that z is greater than 1. 75? 0. 0401 z end up in the higher than 1. 75. 22) A worthless shot will make a claim about what? A Population parameter exposition A null hypothesis is the general default position in a survey and requires a claim off population parameter. 23) Describe the level of significance? Probability off Type I error description A type 1 error happens when the null hypothesis is true, yet spurned at he same time. 24) Lets perform a statistical test of the difference between dickens proportions at the 0. 05 level of significance.If the computed z is -1. 07, what will be the correct decision? Do not decimate the null hypothesis. Explanation The z is of -1. 07 is acceptable within the range of a . 05 level of significance. 25) What condition essential be met to perform a test for the difference of two sample means? Data must(prenominal) be at least of interval scale and populations must be normal. 26) Consider a hypothesis test that compares two population means. The combined degrees of freedom equal 24. What statement about the sample sizes is non true? Lets assume the population standard deviations are equal. Sample A = 11.Sample B = 13 Explanation This must NOT be true because it is outside the limits set by the degree of freedom. 27) What type of graph do we call it when paired information is plotted? Scatter diagram Explanation Paired data must be plotted in a way that shows the relationship 28) When a variable is utilize to predict the value of another variable, it is called Independent variable Explanation The independent variable is useful for find the values of variables that are not explicitly known. 29) 20 randomly selected online students were given 1 5 multiple-choice problems ND 15 open-ended problems that cover the same topics.The teacher wanted to know which questions the students scored better on. What engaging of test is this? A paired t-test Explanation The paired t-test evaluates the me an values that result form a set of data. 30) The weights of 100 units of a product created by two identical processes have same mean, but the standard of process A is 15 while that of B is 7. What is true about this scenario? Unit weights in process B will be grouped closer than in process A. Explanation A wider standard of process is going to create greater deviation in the end products.