ariances are not equal. Assume the samples are random and independent, and the populations Dogs = $214 X2 = $179 Cats S1 = $32 $2 = $28 n, = 18 n2 = 8 YA. "The mean annual costs of food for dogs and cats are equal." OB. "The mean annual cost of food for dogs is greater than the cost for cats." O C. "The mean annual costs of food for dogs and cats are not equal." O D. "The mean annual cost of food for cats is greater than the cost for dogs." hat are H, and H, ? he null hypothesis, Ho, is µ1 = H2. The alternative hypothesis, H, is µy # H2. /hich hypothesis is the claim? O The alternative hypothesis, H,

Question D. Give a 95% interval estimate of the number of fatal accidents per 1000 licenses in a city where 15% of the licensed drivers are under 21. Same data set as above.

Please help with the areas marked with an X To test whether the mean time needed to mix a batch of material is the same for machines produced by three manufacturers, the Jacobs Chemical Company obtained the following data on the time (in minutes) needed to mix the material.   Manufacturer         1 2 3   19 29 16   25 27 15   23 32 19   21 28 18 a. Use these data to test whether the population mean times for mixing a batch of material differ for the three manufacturers. Use . Sum of Squares, Treatment X Sum of Squares, Error X Mean Squares, Treatment X Mean Squares, Error X Compute the values below (to decimals, if necessary).     Calculate the value of the test statistic (to decimals)_______x_________.          b. At the level of significance, use Fisher's LSD procedure to test for the equality of the means for manufacturers and . Calculate Fisher's LSD Value (to decimals)______X______

How do I interpret the 6 characteristics whith the data given?   Column Mean Median Range Variance Std. dev. 1 - Cholesterol 253.92857 268 218 2276.291 47.710492

Answer for b c d

Which one of the following summary statistics best matches the data on the abundance of various bird species shown here? Frequency (No. species) 25 20 15 10 5 0 0 Mean = Mean = Mean = 100 200 300 400 500 600 Abundance (No. individuals) 75 individuals, s.d. = 122 individuals 300 individuals, s.d. = 14871 individuals 10 individuals, s.d. = 10 individuals Mean = 10 individuals, s.d. = 14871 individuals Mean 75 individuals, s.d. = 14871 individuals

step 1 of 3: find the second quartile. step 2 of 3: find the first quartile. step 3 of 3: find the third quartile.

Citation Machine. 8 Healthcare Spendin. Otr A random sample of 10 temperatures in degrees Fahrenheit ('F) were drawn from April in Portland, OR. The data is shown below. Round your answer to 4 decimal places. Use technology, do not calculate the values by hand. ments Temperatue 117.6 133.5 98.2 127.3 ns 133.5 102.2 133.5 104.4 College Resources 118.6 110.6 Services Find s: Find 7: 117 9625 % of temperatures will fall between According to Chebyshev's Inequality: At least what 80.9509 F and 154.9291 F? Submit Question ! 71°F ere to search