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dakotacsey03
dakotacsey03
22.01.2021 • 
Mathematics

A food truck did a daily survey of customers to find their food preferences. The data is partially entered in the frequency table. Complete the table to analyze the data and answer the questions: Likes hamburgers Does not like hamburgers Total
Likes burritos 29 41
Does not like burritos 54 135
Total 110 205

Part A: What percentage of the survey respondents do not like both hamburgers and burritos? (2 points)

Part B: What is the marginal relative frequency of all customers that like hamburgers? (3 points)

Part C: Use the conditional relative frequencies to determine which data point has strongest association of its two factors. Use complete sentences to explain your answer. (5 points)

Question 3 (Essay Worth 10 points)
(05.07 MC)

The scatter plot shows the number of pumpkins that have been picked on the farm during the month of October:

A scatter plot with points showing an upward trend with points that are moderately spread out from a line of best fit. The y axis is labeled Number of Pumpkins and the x axis is labeled Days in October

Part A: Using computer software, a correlation coefficient of r = 0.51 was calculated. Based on the scatter plot, is that an accurate value for this data? Why or why not? (5 points)

Part B: Instead of comparing the number of pumpkins picked and the day in October, write a scenario that would be a causal relationship for pumpkins picked on the farm. (5 points)

Question 4 (Essay Worth 10 points)
(05.07 HC)

A teacher is assessing the correlation between the number of hours spent studying and the average score on a music test. The table shows the data:

Number of hours spent studying
(x) 0 0.5 1 1.5 2 2.5 3 3.5 4
Score on music test
(y) 60 62 64 66 68 70 72 74 76

Part A: Is there any correlation between the number of hours students spent studying and the score on the music test? Justify your answer. (4 points)

Part B: Write a function that best fits the data. (3 points)

Part C: What does the slope and y-intercept of the plot indicate? (3 points)

Please help me

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