Find if type of school and drop out rate are independent

Assignment Help Basic Statistics
Reference no: EM13150228

At a recent meeting of educational researchers comparison were made between the type of college freshmen attend and the numbers who drop out. A random sample of freshmen show the following results: (keep two decimals in calculating expected frequencies)

4Yr public 4Yr private 2Yr public 2Yr private
drop out 10 9 15 9
don't drop 26 28 18 27

Use a significance level of .05 and determine if the type of school and the drop out rate are independent.

Reference no: EM13150228

Questions Cloud

Managers in the low-calorie, frozen microwaveable : Outline a plan that managers in the low-calorie, frozen microwaveable food company could follow in anticipation of raising prices when selecting pricing strategies for making their products response to a change in price less elastic. Provide a ration..
How does each shrimp producer react to the increase in price : how does each shrimp producer react to the increase in price? A. Each producer decreases its production of shrimp. B. Each producer increases its production of shrimp.
Determining activity base for assembly : Shubelik Company is changing to an activity-based costing method. They have determined that they will use three cost pools. They are set-ups, inspections, and assembly. Which of the following would be used as the activity base for assembly?
Department production process : Funtime Inc. makes small toys in a one department production process. Plastic is added at the beginning of the process, all other materials are considered indirect. The following information is available relative to September 2010 production.
Find if type of school and drop out rate are independent : At a recent meeting of educational researchers comparison were made between the type of college freshmen attend and the numbers who drop out. Use a significance level of .05 and determine if the type of school and the drop out rate are independent.
What mass percentage of ethylene glycol in water must be use : Ethylene glycol, C2H4(OH)2, is the main component of antifreeze. What mass percentage of ethylene glycol in water must be used to reduce the freezing point of the mixture to -9.34 deg-C? (K_fp for water is -1.86 deg-C/m).
Barrett fashion forecasts sales problem : Barrett's fashion forecasts sales of 125,000 for the quarter ended december 31 Its gross profit reate is 20% of sales and its september 30inventory is 32,500 If the december 31 inventory is targeted at 41,500 budgeted purchases for the fourth quar..
Determining contribution margin per unit : Variable Overhead $5 per unit; Variable Selling Costs $3 per unit; Total Fixed Overhead Costs $40,000 per year and Total Fixed Selling & Administrative Costs $32,000 per year. Selling price is $32 per unit. What is the contribution margin per unit..
Compare and contrast his engagement with practices : Compare and contrast his engagement with practices in the early and later parts of the film, making reference to MacIntyre's distinction between internal and external goods and how those are related to the virtues.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Examples of mutually exclusive events-exhaustive events

Provide an example of three events that would be mutually exclusive. Are these events also exhaustive? Then, give an example of three events that would be exhaustive. Are these exhaustive events also mutually exclusive?

  Evaluating the course ethnic sensitivity

If he finds differences, then he may realize that, 1) he will need to evaluate his course ethnic sensitivity,

  Discuss two-tailed test of difference between means

According to the historical data, the life expectancy in Argentina is equal to the life expectancy in Bolivia. A new study has been made to see whether this has changed.

  Performing two-tailed test

A manufacturer claims that the mean lifetime,M , of its light bulbs is 51 months. The standard deviation of these lifetimes is 9 months. Ninety bulbs are selected at random, and their mean lifetime is found to be 53 months.

  Solving for the p-valuefor new car

A new car is designed to run a mean of at least 50 000 kilometers before its first tune-up. Tests with 30 cars show a sample mean of 49 500 kilometers and a sample standard deviation of 1000 kilometers.

  Probability time-cnn poll provide a sample proportion

What is the probability the Time/CNN poll will provide a sample proportion within plus-or-minus 0.02 of the population proportion?

  Linear programing-formulating lp model

A restaurant has an ice cream counter where it sells two main products, ice cream and frozen yogurt. The restaurant makes one order for ice cream and yogurt each week, and the store has enough space for 115 gallons of both products.

  Find probability that crew member earns in range per hour

What is the probability the crew member earns: a. Between $20.50 and $24.00 per hour? b. More than $24.00 per hour? c. Less than $19.00 per hour?

  Does data disagree with pet food dealers association data

As a part of the editorial a random sample of 315 households showed 260 own pets. Does this data disagree with the Pet Food Dealers Association data? Use a 0.10 level of significance.

  Estimated regression model

The following estimated regression model was developed relating yearly income (Y in $1,000s) of 30 individuals with their age (X 1 ) and their gender (X 2 ) (0 if male and 1 if female).

  Confidence interval for the true population mean

To find the 95 percent confidence interval for the true population mean. From the results below, is it true that 95% of the sample means will fall

  Probability of project completed earlier nineteen days

What is the probability of this project being completed earlier than 19 days?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd