Grade 11 and 12 Mathematics (Moderator: geoffrey)

A z-test to compare two population proportions is to be conducted. True or false: One condition for ...

Started by yoroshambo

A math teacher would like to present the midterm results to her class in a way that shows the ...

Started by meagbuch

An airport official wants to prove that the p1 = proportion of delayed flights after a storm for ...

Started by brutforce

A study was conducted to learn about drinking and driving habits of male and female college ...

Started by go.lag

A neighborhood ice cream vendor would like to see if there is a relationship between day of the week ...

Started by Destiiny22

A high school volleyball coach has summarized the wins, losses, and ties of her team for the past 4 ...

Started by awywial

Time magazine recently polled 500 13-year-olds online to get a glimpse into their world. The results ...

Started by @Brianna17

Suppose that two different studies were conducted to determine whether the proportion of overweight ...

Started by mydiamond

Suppose a park ranger wishes to collect some data from the State Park he works in to asses if the ...

Started by anshika

Male and female respondents to a questionnaire about gender differences are categorized into three ...

Started by craiczarry

A chi-square statistic was computed for a two-way table having 20 degrees of freedom. The value of ...

Started by Yi-Chen

A student survey was done to study the relationship between gender and favorite television program ...

Started by karlynnae

Which one of the following is NOT true about the table of expected counts for a chi-square test? a. ...

Started by nmorano1

In a study of 900 European American children born in 1991 (Maternal Employment and Child Cognitive ...

Started by natalie2426

A study of 42 patients with carpal tunnel syndrome (symptoms of burning numbness in the wrist to ...

Started by scienceeasy

Can a conclusion that the exercise program caused more sleep? a. A cause and effect relation might ...

Started by javeds

Twenty volunteers were assigned at random to one of two groups (10 people in each group). One group ...

Started by laurencescou

A random sample of 500 students showed a statistically significant relationship between where the ...

Started by silviawilliams41

The conservative margin of error for the sample of 100 students is a. 1. b. 5. c. 10. d. none of ...

Started by nramada

The conservative margin of error for the sample of 600 students is a. 0.2. b. 4. c. 5. d. none ...

Started by madam-professor

In a report by CNN Health News, the headlines read Study: Junk food raises teens' risk of heart ...

Started by bobypop

In a report by ABC News, the headlines read City Living Increases Men's Death Risk The headlines ...

Started by futuristic

In a report by AP, the headline read Even light weekend use of the party drug Ecstasy might harm ...

Started by lb_gilbert

In a report by Reuters, the headline read Emotional Support Helps Breast Cancer Survival The ...

Started by kwoodring

Sometimes researchers are surprised to find no effect in a study when in fact there really is an ...

Started by sarasara