disease. The botanist collected soil samples from all of the soybean fields in randomly selected states to see if there were significant differences in the sulfur levels in fields with and without the disease.  1) What is the sample? choose one -Selected U.S. botanists -Selected U.S. diseases -Selected U.S. soybean fields How was the sample selected? choose one -census -cluster sampling -convenience sampling -stratified sampling What method was

23. Using MIL-STD-105E, design the inspection plans for single and double sampling for the data below. Provide a simplified set of instructions for a novice inspector with no previous experience of AQL sampling to use to perform this inspection. State code letters, sample sizes, accept/reject numbers, etc. Lot size of 3,700 screws Normal inspection, general inspection level II. AQL = 2.5%

The city council of Pine Bluffs IS considering Increasing the number of pollice in an effort to reduce crime. Before making a final decision, the council asked the chief of police to survey other citles of simllar size to determine the relationship between the number of pollice and the number of crimes reported. The chlef gathered the following sample Information. Number of Number of City Oxford Police Crimes City Holgate Carey Whistler Police Crimes 20 18 21 10 Starksville Danville 21 16 17 22 28 9 16 24 Athens 30 12 Woodville 25 10 PpictureClick here for the Excel Data File a. Determine the regression equation. (Negative amounts should be Indicated by a mlnus slgn. Round your answers to 4 declmal places.) ý = b. Estimate the number of crimes for a city with 24 pollce officers. (Round your answer to the nearest whole number.) Number of crimes c. Interpret the regression equation. For each policeman added, the number of crimes goes by one.

Table 1 summarizes the demographic and baseline data. Since two independent groups were included, the baseline data between these two groups were compared and p values were included in this table. Please tell which specific statistical test was used for the comparison between number of intubation attempts and trauma. Your answer should be as specific as possible. For example, was the test two-sided or one-sided? Was the test for paired samples or not?

The human resource department at a certain company wants to conduct a survey regarding worker benefits. The department has an alphabetical list of all 2434 employees at the company and wants to conduct a systematic sample of size 30. What is K? K=?

An executive at the home office of Big Rock Life Insurance is considering three branch managers as candidates for promotion to vice president. The branch reports include records showing sales volume for each salesperson in the branch (in hundreds of thousands of dollars). A random sample of these records was selected for salespersons in each branch. All three branches are located in cities in which per capita income is the same. The executive wishes to compare these samples to see if there is a significant difference in performance of salespersons in the three different branches. If so, the information will be used to determine which of the managers to promote. Branch Managed by Adams Branch Managed by McDale Branch Managed by Vasquez 7.8 8.8 6.5 6.6 10.3 8.7 10.1 11.7 10.1 10.6 9.4 11.4 9.1     10.2     Use a 1% level of significance. Shall we reject or not reject the claim that there are no differences among the performances of the salespersons in the different…

1. A psychologist would like to examine the effects of sugar consumption on the activity level ofpreschool children. On the day of the study, a sample of 10 children does not receive any sugar.Another sample of 10 children is given sugary foods to consume. The psychologist records the activitylevel for each child. A. Single-sample z-testB. Single-sample t-testC. Independent samples t-testD. Related samples t-test (repeated measures or matched samples)E. Correlation