Grade 11 and 12 Mathematics (Moderator: geoffrey)

A news article with the headline Arming commercial pilots reported that 50 of first class and ...

Started by dollx

In a study of patients who had a heart attack, 3630 patients were randomly assigned to receive one ...

Started by lbcchick

If the sample size for a poll increases from 100 people to 400 people, the margin of error a. ...

Started by maychende

A five number summary for hours studied in a week were 5, 12, 14, 18, and 20 . What is the value ...

Started by Charlie

Which of the statistical principles stated below is false? a. A statistically significant finding ...

Started by EAugust

In 2001 the baseball player Barry Bonds had 156 base hits out of 476 at bats. In 1986, Bond's first ...

Started by james

An Islamic survey conducted by the Gallup organization consisted of a random sample of 10,004 people ...

Started by newbem

In a National Cancer Institute study of the potential benefits of breast self-exams, 226,064 Chinese ...

Started by gonzo233

According to a CNN poll released in January of 2010, 56 percent of the public opposed the stimulus ...

Started by craiczarry

In a poll of students in grades 6 through 12, 13 reported that someone had seriously threatened to ...

Started by craiczarry

Suppose that a survey of 20,000 high school students (10,000 girls and 10,000 boys) was done. ...

Started by fasfsadfdsfa

In 1936, George Gallup correctly predicted the winner of the presidential election to be Franklin ...

Started by Redwolflake15

According to statistics published by the Centers for Disease Control and Prevention in January of ...

Started by Wadzanai

Tallies and cross-tabulations are used to summarize which of these variable types? a. Quantitative ...

Started by urbanoutfitters

Which one of the following variables is not categorical? a. Age of a person. b. Gender of a ...

Started by bcretired

The percent of data which lie between the lower and upper quartiles is a. 10. b. 25. c. 50. d. ...

Started by yoooooman

A five-number summary given in Case Study 1.1 for the fastest ever driving speeds reported by 102 ...

Started by Shelles

In a survey, students are asked how many hours they study in a typical week. A five-number summary ...

Started by robinn137

According to a national sleep foundation survey, around 31 million Americans are sleep deprived. ...

Started by sdfghj

Which one of the following statements is most correct about a skewed dataset? a. The mean and ...

Started by jenna1

If an exam was worth 100 points, and your score was at the 80th percentile, then a. your score was ...

Started by lb_gilbert

Which statistic is not resistant to an outlier in the data? a. Lower quartile b. Upper quartile ...

Started by londonang

Which one of the following statistics would be affected by an outlier? a. Median b. Standard ...

Started by rachel9

What is a reasonable action if an outlier is a legitimate data value and represents natural ...

Started by BRWH

What is a reasonable action if an outlier is the value for the only young subject in a sample where ...

Started by Alainaaa8