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6. Middle school class representatives conducted a poll during lunch to see which activity students wanted for their year-end party. The results are shown in this relative frequency table below:


a) For the entire school, which was more popular, water slides or roller skating? (1 point)


THE ANSWER FOR A IS: ROLLER SKATING


b) 34% of the 6th graders and 50% of the 7th graders want to go to the water slides. What percentage of the 8th graders want to go to the water slides? (1 point)


c) Does there seem to an association between grade level and field trip choice? (2 points)


d) If this trend continued, would you expect 9th graders to prefer the water slides or roller skating? Explain your answer. (2 points)

Respuesta :

Parrain

The table of the relative frequencies show that 70% of 8th graders want the water slides.

There is an association between grade level and field trip choice with the higher grades preferring Water slides more than roller skating.

9th graders would prefer waterslides if the trend continues.

What does the frequency table show?

The percentage of 8th graders who want to go to water slides is:

= 0.14 / 0.20 x 100%

= 70%

As the grades increase, less people want to go roller skating which means that should this trend continue, 9th graders would prefer water slides.

Find out more on relative frequency tables at https://brainly.com/question/1809498.

#SPJ1

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Answer:

See below

Step-by-step explanation:

From the table:

a) roller skating is 54 percent.....slides is only 46 percent

b) 8 th graders who want water slide = .14 / ( .14 + .06) = 70 percent

c) yes   higher grade, higher want water slide

d) water slides  ( see answer c )

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