Mathematics, 14.10.2019 20:00 jiggadess3440
Researchers investigating characteristics of gifted children collected data from schools in a large city on a random sample of 36 children who were identified as gifted children soon after they reached the age of four years old. one recorded characteristic was the age in months that each child was first able to count to ten. the sample mean was 30.69 months with a standard deviation of 4.31 months. suppose you read online that children first count to ten successfully when they are 32 months old, on average. you decide test the hypothesis that the average age at which gifted children first count to ten is different from 32 months. what would the test statistic (i. e., z-score) be for the null hypothesis in this case?
Answers: 1
Mathematics, 21.06.2019 22:30
What is the approximate value of q in the equation below? –1.613–1.5220.5853.079
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Mathematics, 22.06.2019 00:30
On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 10^4 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 10^5 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.
Answers: 2
Mathematics, 22.06.2019 01:00
How many zeros does this polynomial function, y=(x-8)(x+3)^2
Answers: 1
Mathematics, 22.06.2019 02:00
Light travels at 186,000 miles per second. light takes about 1 1? 3 seconds to travel from the earth to the moon. calculate the distance between the earth and the moon based on the speed of light.
Answers: 2
Researchers investigating characteristics of gifted children collected data from schools in a large...
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