What can you say about the number of students

Assignment Help Basic Statistics

Reference no: EM131010631

The paper "Answer Changing on Multiple-Choice Tests" (Journal of Experimental Education [1980]: 18-21) reported that for a group of 162 college students, the average number of responses changed from the correct answer to an incorrect answer on a test containing 80 multiplechoice items was 1.4. The corresponding standard deviation was reported to be 1.5. Based on this mean and standard deviation, what can you tell about the shape of the distribution of the variable number of answers changed from right to wrong? What can you say about the number of students who changed at least six answers from correct to incorrect?

Reference no: EM131010631

Questions Cloud

Is the reported mean the population mean m or sample mean : The San Luis Obispo Telegram-Tribune (November 29, 1995) reported the values of the mean and median salary for major league baseball players for 1995. The values reported were $1,110,766 and $275,000. Which of the two given values do you think ..

The organizational structure and management team : As a member of Harley-Davidson's strategic planning team, you have been asked to create a five- to six-slide Microsoft PowerPoint presentation titled "Harley-Davidson Today: A Brief Overview of the Business" to orient members who have been newly a..

Challenges faced by expatriates and company : Challenges faced by expatriates and company in relation to: International recruitment from the expatriate and company perspectives. Training and development in the global environment

Why it would be difficult for another firm : Why these lessons have made the business more successful - why it would be difficult for another firm to adopt some of this organisation's success factors

What can you say about the number of students : Based on this mean and standard deviation, what can you tell about the shape of the distribution of the variable number of answers changed from right to wrong? What can you say about the number of students who changed at least six answers from cor..

Show respect for the time of others : how can you use social media ethically from the perspective of your employer ?

Discuss how the conflict perspective : Considering that they were likely produced in a less-developed country and you purchased them in a developed country: DISCUSS how the Conflict Perspective would view this. How would the Functionalist Perspective view this?

What value is standard deviation above the mean : The average playing time of compact discs in a large collection is 35 min, and the standard deviation is 5 min. What value is 1 standard deviation above the mean? 1 standard deviation below the mean? What values are 2 standard deviations away from ..

Examine the ideas of mutual reflection : Describe the implications Stanley Cavell's ordinary language philosophy has on democracy and education. Provide an example of ordinary language philosophy. Examine the ideas of mutual reflection and mutual understanding as it relates to cultural di..

User Account

All Pages