Mathematics, 31.05.2021 18:10 tylerkitchen44

A cognitive psychologist conducted a study of whether familiarity of words (X) predicts the time it takes (in seconds) to press a button indicating whether the word is singular or plural (Y), with all participants being given the same words. Familiarity with these words was rated at a later time on a 7-point scale (with higher numbers indicating more familiarity). The participants' scores were: X Y
6 0.3
2 1.5
5 0.8
3 1.4
M = 4 M = 1
a. Figure the linear prediction rule, list the b value, a value and the final formula.
b. Make a graph with the regression line.

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 19:30

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)

Answers: 1

Answer

Mathematics, 21.06.2019 19:40

The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes

Answers: 3

Answer

Mathematics, 21.06.2019 20:30

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.

Answers: 1

Answer

Mathematics, 21.06.2019 22:50

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

Answers: 1

Answer

You know the right answer?

A cognitive psychologist conducted a study of whether familiarity of words (X) predicts the time it...

Questions

Mathematics, 23.10.2020 18:20

12=3y-y+4y i know that y=2 but i need to know the step by steps...

Mathematics, 23.10.2020 18:20