Mathematics, 05.05.2020 16:46 chevalieriiim006

A teacher is interested in whether there is an association between how alert her students are and whether or not they drink coffee. She asks each of her students to indicate if they drink coffee regularly, and she categorizes each student's alertness level as alert, somewhat alert, or not alert (3 levels) based on her observations over a week long period of time. After organizing the data, she plans to conduct a chi-square test. Given these observed frequencies, what is the calculated chi-square value?

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 17:00

Let f(x)=2x and g(x)=2x. graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ?me asap

Answers: 2

Answer

Mathematics, 21.06.2019 19:30

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Answers: 1

Answer

Mathematics, 21.06.2019 20:30

Secant be and cf intersect at point d inside a what is the measure of cde

Answers: 1

Answer

Mathematics, 21.06.2019 21:00

These box plots show the number of electoral votes one by democratic and republican presidential candidates for the elections from 1984 through 2012. which statement best compares the spread of the data sets

Answers: 2

Answer

You know the right answer?

A teacher is interested in whether there is an association between how alert her students are and wh...

Questions

Mathematics, 18.12.2019 21:31

Using specific data, we find a significant difference in the proportion of fruit flies surviving after 13 days between those eating organic potatoes a...

Business, 18.12.2019 21:31

Using the simple order quantity model in an inventory control problem, kathy calculated the order quantity to be 1000 units. in a review, she found ou...

Mathematics, 18.12.2019 21:31

Susan bought a soccer ball for her brother. she wants to fool him by putting the ball into a box before wrapping it. the balls circumference is 26 inc...

Business, 18.12.2019 21:31

Varughese inc. is working on its cash budget for march. the budgeted beginning cash balance is $33,000. budgeted cash receipts total $182,000 and budg...

Business, 18.12.2019 21:31

Va-va-voom products, inc., engages in deceptive advertising when it markets its product weight-no-more as able to consumers lose weight in their slee...

Physics, 18.12.2019 21:31

Vision. when light having vibrations with angular frequency ranging from 2.7×1015rad/s to 4.7×1015rad/s strikes the retina of the eye, it stimulates t...

Social Studies, 18.12.2019 21:31

Victor robbed safe bank of a significant sum of cash. safe bank offered a reward of $10,000 for anyone who captured or provided information leading to...

Business, 18.12.2019 21:31

Wp corporation produces products x, y, and z from a single raw material input in a joint production process. budgeted data for the next month is as fo...

Mathematics, 18.12.2019 21:31

21. solve for x: 120°) (95° 1009 a. 100 b. 140 c. 120 d. 150 e. 110...

Biology, 18.12.2019 21:31

What conclusion does this model support? the model shows water molecules interacting. the gray circles represent oxygen, and the white circles...

Social Studies, 18.12.2019 21:31

Most countries use railroads to transport goods across long distances. which would be an advantage for using railroads to transport goods?

Mathematics, 18.12.2019 21:31

Is 2x-4x = -7x+10 a no solution? infinite solution? or one solution?...

English, 18.12.2019 21:31

Which word is a noun ? the food he's cooking smells delicious. which word is a noun...

Biology, 18.12.2019 21:31

*apex*true or falsethe question "how much precipitation is needed to increase the amount of water in the lake by 2 feet? " can be answered...

Medicine, 18.12.2019 21:31

W7: reflection deadline due by the end of week 7 at 11: 59pm et directions type your responses in a word document and submit...

Mathematics, 18.12.2019 21:31

Which graph represents the function f (x − 3), if f (x) = x2?...

English, 18.12.2019 21:31

Vietnam literary journalism quiz active time remaining 59: 22 read the excerpt from a rumor of war. abe the tedium...

Mathematics, 18.12.2019 21:31

Two cities are 3850 miles apart. a plane leaves one of them ,traveling towards the other at an average speed of 360 miles per hour. at the same time a...

Mathematics, 18.12.2019 21:31

Find the slope of the line that passes through the two points below. (5,7) and (6,3)...

History, 18.12.2019 21:31

Steps review your cap file. make sure you have duties and responsibilities from the lesson listed in the file. circle or highlight three duties or res...

More questions: Mathematics Another questions