A study was conducted of people who had bicycle crashes and whether or not they suffered facial injuries. Based on a sample of 531 individuals these results we Facial Injuries No Facial Injuries Helmet Worn x² = 30 83 No Helmet Worn 182 236 The correct approach is a Chi-square test for categorical data.Calculate the Chi-square statistic and enter it below. = [ (0 – E)² E

Q: What is 100+60 plesse

A: Addition of integers with positive signs gives a positive integer.

Q: A student earns a semester GPA of 2.8 for 12 semester hours. Prior to this the student had a GPA of…

A:

Q: Round 4.521 to the nearest whole number

A: To round off the number 4.521 to the nearest whole number , we consider the tenth place number after…

Q: how do you convert 12 teaspoons into tablespoons please show the work

A:

Q: How do I use a ti 84 plus calculator to find population proportion

A: A population proportion is a fraction of the population that has a certain characteristic. Suppose x…

Q: 84 was a bad guess. However, 4 times that number increased by 542 was the correct number. What was…

A: Given number= 84 Also given, 4x+542 is the required answer

Q: What number is the smallest three digit multiple of 11 ?

A: Find the number which is smallest three digit multiple of 11.

Q: What is 18 divided by 3

A: We need to find the value when 18 divided by 3.

Q: hat is the value of 2 5/8 divided by 1/2

A: given that 258 that is 218 now divide by 1/2  21812=218×21=214

Q: what decimal makes 8 times to make 12

A: Decimal 12/ 8

Q: What is 409,000 nearest 10

A:

Q: What is one quarter of 172?

A: One quater means  (1/4) of the total value.

Q: Calculate the average job gains using the numbers you obtain, 36,239.

A: The given numbers of jobs are 36 and 239.

Q: How much money will Katy have in her sav

A: Given: Total money saved by Katy=$125,000 Total money invested by Katy in a savings fund=$125,000…

Q: Could you give the result  in decimal?

A: Given that Mean=M=196, Standard deviations=Sd=20.

Q: What is the smallest number of widgets that can be produced and sold for Jesaki Inc. to break even?…

A:

Q: Explain the concept of coefficient of Determination?

A: Coefficient of determination: The coefficient of determination is defined as the proportion of…

Q: how did you get 4000?

A:

Q: how did you get 123:2 from 0.984/0.016

A: Given that  0.984/0.016

Q: Using the results from the last question, if 5000 rods are manufactured in a day, how many should…

A: Using the results from the last question, if 5000 rods are manufactured in a day, how many should…

Q: What is one third of 325?

A:

Q: How could you find an unknown number missing from a fact triangle?

A:

Q: Determine the point estimate of the population proportion, the margin of error for the following…

A: Given that,  LB=0.396, UB=0.624,n=1000 The point estimate of the population proportion is,

Q: can you show how you got 625 for k and L? and how did you get them at $375

A:

Q: When 18 is reduced by two-thirds of a number, the result is 12. Find the number. Show wor

A: Firstly we can  find an equation and after that we can solve the equation and find the number.

Q: Use a math drawing and words to explain why 3/5=3x4/5x4.

A: See the explanation below..

Q: How many times did you write the digit 4 if you write down all the numbers from 1 to a million?

A: 1 million =1000000