The result of a state wide 9th grade literature state assessment for random sample in 2 independent neighboring counties are shown in the table m. The investigators would like to test wether the average literature test score for all the students in honcho is different from jmmp A) Calculate the standard error of (x-y) A) 0.69 B) 4.02 C) 3.43 D) 2.10 B) calculate the test statistics A) 5.49 B) 0.54 C) 3.12 D) 2.49 C) calculate the p value A) 4.97 B) 0.0064 C) 2.49 D) 0.0490 E) 0.0128 Please be quick

For a population with a mean equal to 200 and a standard deviation equal to 30, calculate the standard error of the mean for the following sample sizes. a) 20 b) 40 c) 60 a) The standard error of the mean for a sample size of 20 is (Round to two decimal places as needed.) b) The standard error of the mean for a sample size of 40 is (Round to two decimal places as needed.) c) The standard error of the mean for a sample size of 60 is

Twenty different statistic students are randomly selected. For each of them,their body temperature (° F) is measured and their head circumference (in) ismeasured. Without doing any research or calculations, estimate the value of r. Forthis sample of paired data, what does r represent?

Allison's soccer penalty kick speeds vary uniformly between 57 and 78 miles per hour. Round answers to four decimal places. a) What is Allison's average penalty kick speed? b) What proportion of Allison's penalty kicks are faster than 70 miles per hour? [ c) What is the 3rd quartile of the distribution of Allison's penalty kick speeds? d) What is the variance of Allison's penalty kick speeds? e) What is the specific speed that is exceeded by only 11% of Allison's penalty kick speeds? 1) What is the probability that the speed of one of Allison's randomly selected penalty kicks is between 62 and 66 miles per hour?

View the attatched photo and select the correct answer for A. Then look at the questions below (B and C) and answer those using the data oe information in the photo. A) Answer A which is in the photo.  B) Calculate the standardized test statistic. T = ? C) Calculate the​ P-value. P = ?

60% of students entering four-year colleges receive a degree within six years. Is this percent smaller than for students who play intramural sports? 128 of the 220 students who played intramural sports received a degree within six years. What type of test should you use? A) z-test for population mean B) z-test for population proportion C) t-test for population mean

Data for gas mileage (in mpg) for different vehicles was entered into a software package and part of the ANOVA table is shown below: Source   DF     SS     MS   Vehicle   2     440     220.00   Error   17     318     18.71   Total   19     758       Determine the p-value for the data. a) 0.0052 b) 0.8994 c) 0.0006 d) 0.0021 e) 0.0236 f) None of the above

d) Using α=.05, what is tcrit?e) Given pooled variance = 8.99, Calculate tobt.f) What should Martha conclude?

Given the 5 variables being: 22342, 19919, 8187, 15875, 17994, could you help me understand the fourmlas and find the mean, median, range, standard deviation, variance, skewness, and kurtosis?

The single sample z test may be used to determine:   a)the variability in the sample b)if a sample mean is different from a known population mean c)if two population means are different d)the variability in the population of sample means