Note: (i) Computation of the p-value must be done with the Ti-84 Calculator. (ii) All work must be done by hand and not using a keyboard. 1. In 2019 according to the CDC a routine DNA testing to check for a certain mutation within the population had a mean score of 9.11. An independent researcher believes that the mean score is higher today due to the current environment changes. At the 4% level of significance is there enough evidence to support the claim that this DNA testing is higher than 9.11? To answer this the researcher collected a sample of 30 scores from the same region. 14.25 17.07 5.00 8.94 11.59 6.05 9.15 7.56 11.29 10.78 11.01 12.48 4.25 10.07 9.00 8.84 10.59 9.05 9.15 6.56 9.29 10.18 10.01 10.48 8.77 8.99 10.89 11.76 12.76 13.11 First find the following statistics: Sample Mean = _________ Sample Standard Deviation = __________ c. Circle one: Reject Null hypothesis Fail to reject Null hypothesis Circle one: Reject Claim Accept Claim d. Write your verbal conclusion about the claim at the 4% level of significance
Note: (i) Computation of the p-value must be done with the Ti-84 Calculator. (ii) All work must
be done by hand and not using a keyboard.
1. In 2019 according to the CDC a routine DNA testing to check for a certain mutation within the population
had a
current environment changes. At the 4% level of significance is there enough evidence to support the claim
that this DNA testing is higher than 9.11? To answer this the researcher collected a sample of 30 scores
from the same region.
14.25 17.07 5.00 8.94 11.59 6.05 9.15 7.56 11.29 10.78 11.01 12.48 4.25 10.07 9.00
8.84 10.59 9.05 9.15 6.56 9.29 10.18 10.01 10.48 8.77 8.99 10.89 11.76 12.76 13.11
First find the following statistics:
Sample Mean = _________ Sample Standard Deviation = __________
c. Circle one: Reject Null hypothesis Fail to reject Null hypothesis
Circle one: Reject Claim Accept Claim
d. Write your verbal conclusion about the claim at the 4% level of significance.
e. Does the result change if we test the claim at the 2% level of significance? Show proof.
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