PLZ HELP ASAP

Data Set 30 20 35 25 15

a. Use the table above to find the mean, median, range, standard deviation and variance of the data set

• Mean =
• Median =
• Range =
• Standard Deviation =
• Variance =

b. What effect will adding 10 to every value in the data set have on the standard deviation? Will this effect be the same by adding any number to all of the data values? Explain. (2 points)
• Standard Deviation =

c. What will be the effect on the standard deviation if you if you multiply each value by 10? Will this effect be the same by adding any number to all of the data values? Explain. (2 points)
• Standard Deviation =

Which number produces a rationale number when multiplied by 1/5

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function

Juliana says that she can use the patterns of equivalent ratios in the multiplication table below to write an infinite number of ratios that are equivalent to 6: 10. which statement explains whether juliana is correct? she is correct because she can multiply 6 and 10 by any number to form an equivalent ratio. she is correct because 6: 10 can be written as 1: 2 and there are an infinite number of ratios for 1: 2. she is not correct because the multiplication table does not include multiples of 10. she is not correct because 6: 10 is equivalent to 3: 5 and there are only 9 ratios in the multiplication table that are equivalent to 3: 5.