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Does a statistics course improve a students mathematics skills, as measured by a national test? Suppose a random sample of 1).

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Answer #1

Answer:

  • one sided
  • 9th student secure 3rd rank in class after completing the course
  • Test statistic = -1.9
  • Critical value of t = -2.7
  • No (Because fail to reject H0

Explaination:

dittenen ae d) efae -aftex d: -35 lo -5 -ST lo a 9.6154 n-13 13 1252) 23 18.22 sans 13 Ha JaO Ho Jld o NexAu df-n-i-12- ave o

1 1
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