subject
Mathematics, 08.07.2020 01:01 therealdest

In a controlled laboratory environment a random sample of 10 adults and a random sample of 10 children were tested by a psychologist to determine the room temperature that each person finds most comfortable. The data are summarized below. Simple Mean Simple Variance
Adults(Population 1) 77.5°F 4.5
Childerns(Population 2) 74.5°F 2.5

If the psychologist wished to test the hypothesisthat children prefer warmer room temperature than adults, which hypothesis would he use?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?
Answers: 1
question
Mathematics, 21.06.2019 21:20
Se tiene en una caja de canicas 10, 4 blancas y 6 negras ¿cual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ¿cual es la probalidad que en 2 extracciones sin reemplazo sean negras?
Answers: 1
question
Mathematics, 21.06.2019 22:00
Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)
Answers: 1
question
Mathematics, 22.06.2019 01:00
On friday, there were x students at the baseball game. on monday, there were half as many students at the game as there were on friday. on wednesday, there were 32 fewer students at the game as there were on friday. which expression could represent the total number of tickets sold for all 3 games?
Answers: 2
You know the right answer?
In a controlled laboratory environment a random sample of 10 adults and a random sample of 10 childr...
Questions
question
Mathematics, 29.01.2020 10:58
Questions on the website: 13722359