Sick Days in Bed A researcher wishes to see if the average number of sick days a worker takes per year is greater than 5. A random sample of 25 workers at a large department store had a mean of 5.3. The standard deviation of the population is 1.4. Is there enough evidence to support the researcher's claim at a= 0.01? Assume that the variable is normally distributed. Use the critical value method with tables. Dart of S the claim with the com es Th one Part Fin Chas. Part 3 of 5 Compute the test value. Always round z score values to at least two decimal places.

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Sick Days in Bed A researcher wishes to see if the average number of sick
days a worker takes per year is greater than 5. A random sample of 25 workers
at a large department store had a mean of 5.3. The standard deviation of the
population is 1.4. Is there enough evidence to support the researcher's claim at
a= 0.01? Assume that the variable is normally distributed. Use the critical value
method with tables.
Dart of
S
the claim with the com
es
Th
one
Part
Fin
Mas.
Part 3 of 5
Compute the test value. Always round z score values to at least two decimal
places.
Transcribed Image Text:Sick Days in Bed A researcher wishes to see if the average number of sick days a worker takes per year is greater than 5. A random sample of 25 workers at a large department store had a mean of 5.3. The standard deviation of the population is 1.4. Is there enough evidence to support the researcher's claim at a= 0.01? Assume that the variable is normally distributed. Use the critical value method with tables. Dart of S the claim with the com es Th one Part Fin Mas. Part 3 of 5 Compute the test value. Always round z score values to at least two decimal places.
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