I am confused on Question 3, page 189 (the topic is Measures of Central Tendency and Variability). I checked the solution and how you formed the equation

87m + 93 = 89(m+1)

But I still do not understand why 89(m+1) is there.

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# I am confused on Question 3, page 189…

# Test 7 Section 4 #37

# PSAT #1, Section 4, #20

# Hi Mike. Can you please explain Practise test 1, section 4, question 14?

# official practice test 3 section 4 q.no.35 how to solve?

# Can you do Test 6 #36 from the calculator section

# Can you do test 5 num 27 (section 4)?

# Proving Grounds #8

# Check your Data Analysis, Statistics, and Probability skills

I am confused on Question 3, page 189 (the topic is Measures of Central Tendency and Variability). I checked the solution and how you formed the equation

87m + 93 = 89(m+1)

But I still do not understand why 89(m+1) is there.

Test 7 Section 4 #37

PSAT #1, Section 4, #20

Hi Mike. Can you please explain Practise test 1, section 4, question 14? I figured out that the range was the largest change (but only by physically calculating the mean and median etc.)

Is there a better way to do this?

Also, I’d just like to say THANK YOU THANK YOU THANK YOU for this book it really is amazing!!

official practice test 3 section 4 q.no.35 how to solve?

Can you do Test 6 #36 from the calculator section

Can you do test 5 num 27 (section 4)?

It’s been a while since we did one of these! The following five-question quiz (all about a histogram, by special request) will be available to everyone for one week, and then it will only be available to registered Math Guide Owners. (If you don’t have a Math Guide, now is a pretty good time to...

How’s everyone else doing on this quiz?