Grade 11 and 12 Mathematics

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Mathematics Clinic
Grade 11 and 12 Mathematics (Moderator: geoffrey)

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Subject / Started by	Replies / Views	Last post
Rearrange each formula to solve for the indicated variable. Started by Hungry!	4 Replies 4,170 Views	Jul 24, 2014 by Engineer
A Gallup Poll in 1997 asked What do you think is the ideal number of children for a family to have? ... Started by natalie2426	3 Replies 308 Views	Jul 24, 2018 by Ksh22
An ABC news poll over the Internet resulted in 17,251 responses. Explain why the results of this ... Started by Shelles	1 Replies 242 Views	Jul 24, 2018 by ngr69
An observational study found that people who listened to classical music regularly had statistically ... Started by jparksx	1 Replies 247 Views	Jul 24, 2018 by blazinlyss
In a study for which the sample represents the population of interest but the treatments are not ... Started by misspop	1 Replies 248 Views	Jul 24, 2018 by soda0602
A student doing a history project finds the ages of all of the governors of California at the time ... Started by K@	3 Replies 255 Views	Jul 24, 2018 by janeli1
Suppose you are faced with a decision about whether to take a new job or remain with the one you ... Started by big1devin	1 Replies 212 Views	Jul 24, 2018 by at
One problem with hypothesis testing is that a result may be statistically significant but be of ... Started by ENagel	1 Replies 367 Views	Jul 24, 2018 by johnpizzaz
The margin of error for the results of a survey takes into account a. error due to biased wording ... Started by Bob-Dole	1 Replies 235 Views	Jul 24, 2018 by yasmin
CNN reported the results of a survey of 902 adult Americans taken to assess whether Americans think ... Started by aabwk4	3 Replies 251 Views	Jul 24, 2018 by karlss
The best way to determine whether a statistically significant difference in two means is of ... Started by wenmo	1 Replies 288 Views	Jul 24, 2018 by pratush dev
A small college wants to know what percentage of its current 2,500 students wants a switch to a ... Started by jasdeep_brar	1 Replies 182 Views	Jul 24, 2018 by vickybb89
Sometimes researchers are surprised to find no effect in a study when in fact there really is an ... Started by sarasara	1 Replies 179 Views	Jul 24, 2018 by tdewitt
In a report by Reuters, the headline read Emotional Support Helps Breast Cancer Survival The ... Started by kwoodring	3 Replies 184 Views	Jul 24, 2018 by juiceman1987
In a report by AP, the headline read Even light weekend use of the party drug Ecstasy might harm ... Started by lb_gilbert	1 Replies 168 Views	Jul 24, 2018 by alexanderhamilton
In a report by ABC News, the headlines read City Living Increases Men's Death Risk The headlines ... Started by futuristic	1 Replies 226 Views	Jul 24, 2018 by Pariscourtney
In a report by CNN Health News, the headlines read Study: Junk food raises teens' risk of heart ... Started by bobypop	1 Replies 209 Views	Jul 24, 2018 by Swizqar
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	3 Replies 147 Views	Jul 24, 2018 by Sierray
The conservative margin of error for the sample of 100 students is a. 1. b. 5. c. 10. d. none of ... Started by nramada	1 Replies 136 Views	Jul 24, 2018 by mochi09
A random sample of 500 students showed a statistically significant relationship between where the ... Started by silviawilliams41	1 Replies 173 Views	Jul 24, 2018 by jsm54321
Twenty volunteers were assigned at random to one of two groups (10 people in each group). One group ... Started by laurencescou	1 Replies 194 Views	Jul 24, 2018 by macagn
Can a conclusion that the exercise program caused more sleep? a. A cause and effect relation might ... Started by javeds	3 Replies 145 Views	Jul 24, 2018 by chereeb
A study of 42 patients with carpal tunnel syndrome (symptoms of burning numbness in the wrist to ... Started by scienceeasy	1 Replies 174 Views	Jul 24, 2018 by LegendaryAnswers
In a study of 900 European American children born in 1991 (Maternal Employment and Child Cognitive ... Started by natalie2426	1 Replies 123 Views	Jul 24, 2018 by Liamb2179
Which one of the following is NOT true about the table of expected counts for a chi-square test? a. ... Started by nmorano1	1 Replies 109 Views	Jul 24, 2018 by Beatricemm

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Homework Clinic
Mathematics Clinic
Grade 11 and 12 Mathematics (Moderator: geoffrey)