subject
Mathematics, 07.07.2020 20:01 lilgunter12

The mean weight of the students in a school is 70 kilograms. A random sample of 25 students was taken and the mean weight was found to be 55 kilograms with a standard deviation of 20 kilograms. What is the test statistics? Express your answer into 2 decimal places (example: 25.00)

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 18:30
Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.
Answers: 2
question
Mathematics, 21.06.2019 19:00
You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?
Answers: 1
question
Mathematics, 21.06.2019 23:00
Complete the conditional statement. if a + 2 < b + 3, then a < b b < a a – b < 1 a < b + 1
Answers: 3
question
Mathematics, 21.06.2019 23:30
Hundred and tens tables to make 430 in five different ways
Answers: 1
You know the right answer?
The mean weight of the students in a school is 70 kilograms. A random sample of 25 students was take...
Questions
question
Mathematics, 20.01.2020 22:31
question
Biology, 20.01.2020 22:31
question
Arts, 20.01.2020 22:31
question
Computers and Technology, 20.01.2020 22:31