For each prompt below, do the following: i.)  State the Null / Alternate Hypothesis ii.)  Determine the Critical Value iii.)  Determine Sample Score + Plot (t or z) iv.)  Make a Conclusion   3.)  According to Nielsen Media, of the US homes that owned at least one TV, 83% had two or more.  A local cable company canvassing a town to promote a new cable service found that of the 300 houses visited, 240 of them at two plus TVs.  At ? = 0.10 is there sufficient evidence to conclude that the proportion is less than the one in the report?

A college student is interested in whether presoaking time has an effect on cleanliness of clothing.  He collects the dirty clothes from all of the people in his dorm and randomly assigns clothing to one of four presoak time conditions: 5 minutes, 10 minutes, 15 minutes, 20 minutes.  He then asks members of another dorm to rate the cleanliness of the items (they don’t know which clothing got which soaking time).  The data are presented below. C) Perform an LSD test and answer the questions that follow (SHOW ALL WORK!!! This can be on the same page as your other ANOVA hand work. Make sure it is inserted and/or uploaded): df error =   tcrit (df error)   MS error =   s =     LSD = _____________   Mean Comparisons:   Mean5 min vs. Mean10 min = |      ___            __       | = ___ ___              Greater than (>) LSD value? __   ___  Significant?__                   ­___   Mean10 min vs. Mean15 min = |__________________| =   ______             Greater…

A district health officer wishes to determine if the six villages in his district are independent of residents contracting malaria, schistosomiasis, cholera or tuberculosis. Identity an appropriate statistical test and the tail of the test for the problem. Assume all samples used for study come from a normal population.

The following sample observations were randomly selected: X Y 5 4 10 7 3 7 4 6 6 5 What is the coefficient of correlation? Select one: a. 0.185 b. 0.001 c. 0.034 d. 0.089

Determine Px and ox from the given parameters of the population and sample size. μ = 62, o = 24, n = 35 = ...

Part 4. 1. Examine the data set below that represents a sample. A.) the average of the sample; B.) the median of the enéchantion; C.) the mode of the sample; D. ) the minimum and maximum values; J.) the extent; F.) the first, second and third quartiles; G.) the interquartile interval; H.) the standard deviation of the sample; I.) The variance of the sample.