TABLE 12-9
Many companies use well-known celebrities as spokespersons in their TV advertisements. A study was conducted to determine whether brand awareness of female TV viewers and the gender of the spokesperson are independent. Each in a sample of 300 female TV viewers was asked to identify a product advertised by a celebrity spokesperson. The gender of the spokesperson and whether or not the viewer could identify the product was recorded. The numbers in each category are given below.
-Referring to Table 12-9, the calculated test statistic is
Definitions:
Probability
An evaluation of event occurrence likelihood, represented as a numerical value ranging between 0 and 1.
Standard Normal Table
A reference table that provides the area under the curve of the standard normal distribution, often used to find probabilities and critical values.
Mutually Exclusive Events
Two or more events that cannot occur at the same time, making it impossible for them to happen simultaneously in any given trial.
Probabilities
The quantification of how likely an event is to happen, expressed as a number ranging from 0 to 1, with 0 meaning it cannot occur and 1 meaning it will definitely happen.
Q6: Referring to Table 12-15,what should be the
Q29: Referring to Table 12-16,which is the appropriate
Q32: Referring to Table 10-5,what is the critical
Q49: Referring to Table 12-5,what is the value
Q78: F tests are one-tail tests.
Q113: Referring to Table 12-15,the director should reject
Q134: The test for the equality of two
Q177: Referring to Table 10-6,what is the 95%
Q195: Referring to Table 12-9,at 5% level of
Q210: Referring to Table 14-7,the value of the