Mathematics, 03.12.2021 18:30 Suphat
5.13 Identify hypotheses, Part I. Write the null and alternative hypotheses in words and then symbols foreach of the following situations.(a) A tutoring company would like to understand if most students tend to improve their grades (or not)after they use their services. They sample 200 of the students who used their service in the past yearand ask them if their grades have improved or declined from the previous year.(b) Employers at a firm are worried about the effect of March Madness, a basketball championship held eachspring in the US, on employee productivity. They estimate that on a regular business day employeesspend on average 15 minutes of company time checking personal email, making personal phone calls, etc. They also collect data on how much company time employees spend on such non-business activitiesduring March Madness. They want to determine if these data provide convincing evidence that employeeproductivity changed during March Madness.
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Mathematics, 21.06.2019 16:30
For how answer my question this will be the last question can you answer in math subject
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Mathematics, 21.06.2019 17:50
Jace wrote a sentence as an equation. 56 is 14 more than a number. 14+ = 56 which statement best describes jace's work? jace is not correct. the phrase more than suggests using the symbol > and jace did not use that symbol. jace is not correct. he was correct to use addition, but the equation should be 56+ p = 14 jace is not correct. the first number in the sentence is 56, so the equation should start with 56. jace is correct. the phrase more than suggests addition, so jace showed that 14 plus a variable equals 56. o
Answers: 1
5.13 Identify hypotheses, Part I. Write the null and alternative hypotheses in words and then symbol...
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