Mathematics, 28.04.2021 23:30, melikefood01

You wonder if weather (rain, cloudy or sunny) makes a difference on mood (happy or not). To determine this, you sample the moods of 200 people on a sunny day, 200 people on a rainy day and 200 people on a cloudy day and record whether they were happy or not. You then want to do a chi square test on this data. What are the degrees of freedom?

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:00, lilpetals

#12 find the value of x. #13 find the value of the variable.

Answers: 3

continue

Mathematics, 21.06.2019 15:00, yyyyyyyyy8938

Sienna planned a trapezoid-shaped garden, as shown in the drawing below. she decides to change the length of the top of the trapezoid-shaped garden from 32 ft to 24 ft. which expression finds the change in the scale factor?

Answers: 1

continue

Mathematics, 21.06.2019 16:00, ericavasquez824

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Answers: 2

continue

Mathematics, 21.06.2019 21:00, Rebelyfe4175

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.

Answers: 2

continue

Do you know the correct answer?

You wonder if weather (rain, cloudy or sunny) makes a difference on mood (happy or not). To determin...