A random sample of 26 restaurants was selected from all restaurants listed in Greenwich Village and their Zagat ratings were rec
orded. Zagat ratings are averages of responses from many diners who rated the restaurants on a scale of 0 to 30 on food, décor, and service. Diners also estimated the total cost of dinner, one drink, and a tip. Suppose that Zagat is interested in whether they can predict the cost of a meal from the Zagat service rating. In that study, the response (dependent) variable is:
1 answer:
Complete Question
The complete question s shown on the first uploaded image
Answer:
Correct option is B
Step-by-step explanation:
Generally the respond dependent variable can be defined as a variable whose values are dependent on the changes in other variable
Now in this question the respond (dependent) variable is the cost of meal , this because from the question the interest of Zagat is to predict the cost of a meal from the Zagat service rating
So in this case the independent variable is Zagat service rating
While the responds dependent variable is cost of meal
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Answer:
The Distance cover by both the Runners is same = 10 miles
Step-by-step explanation:
According to question ,
The Speed of first runners (S 1) = 5 miles per hour
The speed of second runners (S 2) = 4 miles per hour
Let The Time taken by First runner (T 1 ) = T hour
But the second runner arrives half hour after the first runner ,
I.e The Time taken by Second runner (T 2) = ( T + )
Now from Distance = Speed × Time
Since both the runners start from same place and run along the same trail
SO ,Both the Distance cover by both are same , D 1 = D 2
i.e Speed 1 × Time 1 = Speed 2 × Time 2
5 mph × T = 4 mph × ( T + )
5 T = 4 T + ( 4 × )
Or, 5 T - 4 T = 2
∴ T = 2 hour ,
Time take by first = T1 = T = 2 hour
Time take by second = T2 = T + = (2 +
)hour =
Now the Distance cover = Speed × Time
Distance (D1) = 5 mph × 2 hour = 10 mile
And Distance (D2) = 4 mph × = 10 miles
Hence, As The Distance cover by both the Runners is same = 10 miles Answer