1. A test is made of H:P = 20 VS H:U 20 and the Z value = -2.70, compute the PValue and interpret your results, must show work, formulas, diagram etc for full grades. %3!

Blood pressure is 127.58 sample of 41 males,, 35-44 in age.. blood pressure of 5.76. Find 95% co fidence interval

Which equation is the best fit for the data in the table? X Y 3 12 5 27 8 48 11 O y=-.0026x^2+.33x+1.16 O y=1.94x+2.140 O y=1.732vx-1 O y=1.732x-1

Calculate the test statistic. (X^2)Enter your answer rounded to three decimal places.

Use the 7 step test. (or 5 Step) The Donaldson Corporation wants to hire a temporary secretary.  There are two employment agencies in town, and it is believed that the average hourly wage charged by both agencies is the same.  A Donaldson manager surveyed other employers in town to find what they paid the agencies for temporary secretaries.  The results are summarized below.  At, test the claim that each agency charges the same hourly wage. Imported wine: X-bar_1 =$9.55/hour ; s_1 =$1.45/hour ; n_1=20 Domestic wine: X-bar_2 =$9.25 ; s_2 =$1.25 ; n_2 =18

answer part a only in word  format exoplaing context and be desprictive please

A marketing agency wanted to determine the effectiveness of their recent advertising campaign. Researchers at the agency surveyed 400 citizens and determined that 104 had seen advertisements for the product created by the agency in the past month. (Fill in the blanks) 104 out of 400 is             describing the                  analyzed in the description above.

How to count z-score?

A student pursuing a degree in English as a second language believes the proportion female factory workers who can't speak English is less than the proportion of male factory workers who can't speak English. To test her claim she randomly selects 373 female factory workers and out of them 43 could not speak English. She then randomly selects 215 male factory workers and out of them 65 could not speak English. Test her claim at .=0.05 to see if she was right. The correct hypotheses are: H : PF Pu (claim) H : PF 2 PM HA: PF < Pr (claim) H : PF = PM HA: PF + PM (claim) Since the level of signficance s0.05 the critical value is-1.64s The test statistic is pound to 3 places) The pvalue is round to 3 places) The decision can be made to oreject H, odo not reject í, The final conclusion is that: There is enough evidence to reject the claim that the proportion female factory workers who can't speak English is less than the proportion of male factory workers who can't speak English. There is…

An amusement park studied methods for decreasing the waiting time (minutes) for rides by loading and unloading riders more efficiently. Two alternative loading/unloading methods have bee proposed. To account for potential differences due to the type of ride and the possible interaction between the method of loading and unloading and the type of ride, a factorial experiment was designed. Use the following data to test for any significant effect due to the loading and unloading method, the type of ride, and interaction. Use a 0.05. Method 1 Method 2 Type of Ride Roller Coaster Screaming Demon Log Flume 45 45 47 48 40 54 50 Find the value of the test statistic for method of loading and unloading. 50 State your conclusion about method of loading and unloading Because the p-value> Because the p-value> Because the p-values a Because the p-value sa 46 48 44 Find the p-value for method of loading and unloading. (Round your answer to three decimal places) p-value 0.05, method of loading and…