Title: For the scenario described below, simply name the procedure that is appropriate to answer the ... Post by: CroweN6459 on Aug 30, 2019 For the scenario described below, simply name the procedure that is appropriate to answer the question. For example, 1-proportion z-interval or chi-square goodness of fit test. Do NOT carry out the procedure.
A flower pot manufacturer is testing his clay pots to ensure that the thickness of the sides are made to proper specifications. The sides are designed to be 4 mm thick. In a random sample of 25 pots, it is found that the average thickness if 4.3 mm. Does this provide statistically significant evidence that the manufacturing process is out of alignment? Title: For the scenario described below, simply name the procedure that is appropriate to answer the ... Post by: yesimshay on Aug 30, 2019 Content hidden
Title: For the scenario described below, simply name the procedure that is appropriate to answer the ... Post by: anhsu on Aug 30, 2019 For the scenario described below, simply name the procedure that is appropriate to answer the question. For example, 1-proportion z-interval or chi-square goodness of fit test. Do NOT carry out the procedure.
A pollster collects data on gender differences in car preferences. 50 males and 50 females, selected at random, are asked if they prefer American, Asian, or European models when they purchase a car. The pollster wishes to examine if there is an association between gender and car choice when making a purchase. Title: For the scenario described below, simply name the procedure that is appropriate to answer the ... Post by: Bakari on Aug 30, 2019 chi-square test for homogeneity
Title: For the scenario described below, simply name the procedure that is appropriate to answer the ... Post by: anhsu on Aug 30, 2019 This calls for a celebration :raised_hands:
Title: For the scenario described below, simply name the procedure that is appropriate to answer the ... Post by: baileymeredith on Aug 30, 2019 For the scenario described below, simply name the procedure that is appropriate to answer the question. For example, 1-proportion z-interval or chi-square goodness of fit test. Do NOT carry out the procedure.
In a study on insomnia in men over the age of 65, it is found that exercise may play a role in sleep. The researchers assign a group of 100 men to exercise for a month, while another 100 volunteers are asked to abstain from most exercise. At the end of the month, the exercise group had 23 out of 100 men with difficulty in sleeping, whereas the non-exercise group had 31 out of 100. Does this provide statistically significant that exercise improves sleep for men over 65? Title: For the scenario described below, simply name the procedure that is appropriate to answer the ... Post by: binva on Aug 30, 2019 2-prop z-test (note: chi-square is incorrect, as the test is 1-sided!)
Title: For the scenario described below, simply name the procedure that is appropriate to answer the ... Post by: FAITHBELLE on Aug 30, 2019 For the scenario described below, simply name the procedure that is appropriate to answer the question. For example, 1-proportion z-interval or chi-square goodness of fit test. Do NOT carry out the procedure.
A national marketing campaign is conducted to improve the name-brand recognition with potential customers. The company sells household products, primarily to the female head of the household. The current market analysis shows that 23% of their customer base recognizes the name of their product. When the marketing campaign is finished, 135 people out of 500 randomly polled recognize the brand name. Does this provide statistically significant evidence that there has been an increase in name-brand recognition? Title: For the scenario described below, simply name the procedure that is appropriate to answer the ... Post by: christinaalex on Aug 30, 2019 1-prop z-test
Title: For the scenario described below, simply name the procedure that is appropriate to answer the ... Post by: FAITHBELLE on Aug 30, 2019 I appreciate what you did here, answered it correctly :D
Title: For the scenario described below, simply name the procedure that is appropriate to answer the ... Post by: Kaevyn04 on Aug 30, 2019 For the scenario described below, simply name the procedure that is appropriate to answer the question. For example, 1-proportion z-interval or chi-square goodness of fit test. Do NOT carry out the procedure.
In a campus survey, a university polls its students to see how many hours they study in an average week. Females reported an average of 16.8 hours, while males reported an average of 13.8 hours. Find a 95% confidence interval for the difference in average time spent studying by females compared to males. Title: For the scenario described below, simply name the procedure that is appropriate to answer the ... Post by: jrhome1985! on Aug 30, 2019 2-mean t-interval
Title: For the scenario described below, simply name the procedure that is appropriate to answer the ... Post by: anthonydel117 on Aug 30, 2019 For the scenario described below, simply name the procedure that is appropriate to answer the question. For example, 1-proportion z-interval or chi-square goodness of fit test. Do NOT carry out the procedure.
A student in Southern California notes that the temperature is generally cooler at the beach than it is at his home, 25 miles inland. He collects data every day for month, noting the high temperature at the beach and the high temperature at his house. He then conducts a test to see if there is a significant relationship between these two variables. Title: For the scenario described below, simply name the procedure that is appropriate to answer the ... Post by: gumpfable on Aug 30, 2019 Linear regression t-test for slope
Title: For the scenario described below, simply name the procedure that is appropriate to answer the ... Post by: anthonydel117 on Aug 30, 2019 Thanks
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