Electricity bills: According to 2011 was $110.10. Assume the amounts are normalystnbuted with standard deviation $21.00. Use the TI-84 Plus calculator to household electricity bill in the United States in answer the following. (a) Find the 7th percentile of the bill amounts. (b) Find the 58th percentile of the bill amounts. (c) Find the median of the billlamounts. Round the answers to at least two decim

The heights, in inches, of the four members of a barbershop quartet of singers are listed below. 72,68,67,73 Find the population variance for this data set. Round to one decimal place if necessary.

show how to answer and put into graphing calculator. Ppool = .126

-Ensure complete frequency table and histogram using the values below. -Convert the frequencies into percentages and record in the‘%’column. Using the formula Percentage formula= count/total x 100 A sample is provided beside the values

Use the same scales to construct modified boxplots for the pulse rates of men and women from the accompanying data sets. Identify any outliers. Use the boxplots to compare the two data sets. Click the icon to view the data sets. Determine the boxplot for the men's pulse rate data. Choose the correct graph below. A. O C. XX ידידי T 40 50 60 70 80 90 100110 יויד 40 50 60 70 80 90 100110 ... ✔ B. D. רידי 40 50 60 70 80 90 100110 X T 40 50 60 70 80 90 100110 יויד

c. Find the 95th percentile. (Round to three decimal places as needed.)

Use the following cell phone airport data speeds​ (Mbps) from a particular network. Find the percentile corresponding to the data speed 0.9 Mbps. Percentile of 0.9 equals  ​(Round to the nearest whole number as​ needed.)

Statistics Question

Determine which of the four levels of measurement ( norminal, ordinal, interval, ratio) is most appropriate for the data below. Years in which U.S. presidents were inaugurated

Construct a frequency and relative frequency distribution table: (Round relative frequences to 2 decimal places) Froquoncu