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WorksheetsModule 3 - 5 items quiz
Total questions: 5
Worksheet time: 5mins
In formulating the alternative hypothesis, what mathematical symbol is applicable to use in the statement, “The average score of Grade 11 (ABM) in Business Statistics is 75.”?
>
=
<
. A vacuum cleaner consumes less than 46 kwh per year. What hypothesis test can you use in this claim?
left-tailed
right- tailed
null hypothesis
alternative hypothesis
Which of the following steps is not included in formulating hypothesis?
Identify the claim to be tested.
Translate the claim into mathematical
Use the data about sample then compute the test statistic.
Formulate first the null hypothesis and then the alternative hypothesis.
The sign of the alternative hypothesis in a left-tailed test is always ________
Equal
less than
not equal
greater than
. A scientist invented a substance that increases the life of an automobile battery. If the mean lifetime of the battery is 24 months, then what are his hypotheses?
𝐻𝑜: 𝜇 = 24, 𝐻𝑎: 𝜇 > 24
𝐻𝑜: 𝑝 = 24, 𝐻𝑎: 𝑝 > 24
𝐻𝑜: 𝜇 = 24, 𝐻𝑎: 𝜇 ≤ 24
𝐻𝑜: 𝜇 = 24, 𝐻𝑎: 𝜇 ≠ 24
