Describe the procedure you used to select the sample

Assignment Help Basic Statistics

Reference no: EM131010234

Of the 6500 students enrolled at a community college, 3000 are part time and the other 3500 are full time. The college can provide a list of students that is sorted so that all full-time students are listed ?rst, followed by the part-time students.

a. Select a strati?ed random sample that uses full-time and part-time students as the two strata and that includes 10 students from each stratum. Describe the procedure you used to select the sample, and identify the students included in your sample by placement on the sorted list.

b. Does every student at this community college have the same chance of being selected for inclusion in the sample? Explain.

Reference no: EM131010234

Questions Cloud

Probability that the number of items : a. What is the probability that the number of items produced is at most 120? b. What is the probability that at least 125 items are produced? c. What is the probability that between 135 and 160 (inclusive) items are produced?

Construct a dotplot of the resulting sample values : A sample of pages from this book is to be obtained, and the number of words on each selected page will be determined. For the purposes of this exercise, equations are not counted as words and a number is counted as a word only if it is spelled ou..

The latitude function : The Latitude Function: The output for this function should be chosen to be the latitude of the sun at time x. The Length of Day Function: The output for this function should be chosen to be the length of day (sunrise to sunset) at a city or small i..

Difference between a unitary state and a federal state : Explain the four functions of political parties and provide examples of each. Which function do you believe to be most important, and why?

Describe the procedure you used to select the sample : Select a strati?ed random sample that uses full-time and part-time students as the two strata and that includes 10 students from each stratum. Describe the procedure you used to select the sample, and identify the students included in your sample..

Gallons and standard deviation : A gasoline tank for a certain car is designed to hold 15 gallons of gas. Suppose that the variable x = actual capacity of a randomly selected tank has a distribution that is well approximated by a normal curve with mean 15.0 gallons and standard d..

Preceding problem produces corks : Suppose that there are two machines available for cutting corks. The machine described in the preceding problem produces corks with diameters that are approximately normally distributed with mean 3 cm and standard deviation 0.1 cm.

Distribution of the diameter of the corks : A machine that cuts corks for wine bottles operates in such a way that the distribution of the diameter of the corks produced is well approximated by a normal distribution with mean 3 cm and standard deviation 0.1 cm.

Determine the proportion of those who signed the petition : As part of a curriculum review, the psychology department would like to select a simple random sample of 20 of last year's 140 graduates to obtain information on how graduates perceived the value of the curriculum. Describe two different methods t..

User Account

All Pages