We surveyed 19 households in a neighborhood and asked the nu…

We surveyed 19 households in a neighborhood and asked the number of pets in each household. The data is as follows: 0, 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 4, 4, 5, 5, 6, 7 (a) Fill in the frequency table below.  Keep answers as a fraction as needed. Data Frequency Relative Frequency 0 [1] [2] 1 [3] [4] 2 [5] [6] 3 [7] [8] 4 [9] [10] 5 [11] [12] 6 [13] [14] 7 [15] [16] (b) What is my sample mean rounded to 2 decimals? You may use your calculator. State the calculator buttons used. [mean] (c) What is my sample standard deviation rounded to 2 decimals? You may use your calculator. State the calculator buttons used. [stdev] (d) Construct a max/ min box plot on your scratch paper. 

The dog food company claims that the mean weight of a bag of…

The dog food company claims that the mean weight of a bag of food is 30 pounds.  A sample of 36 bags of food found the sample mean to be 29.6 pounds with a standard deviation of 0.5 pounds. We want to test if the dog food bags actually weigh less than 30 pounds. Conduct a hypothesis test at the 0.05 significance level. (a) State the null and alternative hypothesis on your scratch paper. (b) Using your calculator find the test statistic. Round to 1 decimal places. [teststat] (c) State the p-value. [c] enter exactly what your calc outputs.  (d) Do you reject the null hypothesis or fail to reject the null hypothesis? [d]      Why? State on your scratch paper.  (e) Interpret your decision. State on your scratch paper.