Test Bank for Statistics for Research and Life, 1st Edition by Gary Lewandowski | Answers Included
48 views 0 purchase
Course
Statistics for Research and Life 1e Lewandowski
Institution
Statistics For Research And Life 1e Lewandowski
Test Bank for Statistics for Research and Life, 1e 1st Edition by Gary Lewandowski, Kevin McIntyre. Complete Chapters test bank are included with answers (Chap 1 to 16 + Appx A and Appx B)
Chapter 1: Why Statistics Are So Important
Chapter 2: Frequency Distributions and Visual Displays of Data
...
Indicate the answer choice that best completes the statement or answers the question.
1. The last order of operations to perform in equation (7 – 5)2 + 4 × 3 is:
a. addition.
b. multiplication.
c. parentheses.
d. exponents.
2. When a negative number is divided or multiplied by a positive number, the resulting number is:
a. zero.
b. improbable.
c. positive.
d. negative.
3. When performing mathematical operations using PEMDAS, Ʃ is done as a(n):
a. addition.
b. subtraction.
c. exponent.
d. multiplication.
4. When performing mathematical operations using PEMDAS, under which step are square roots done?
a. parentheses
b. exponents
c. multiplication
d. division
5. The summation notation is denoted by the symbol:
a. ẞ.
b. ∞.
c. Ʃ.
d. λ.
6. When the base number is negative and its exponent is odd, the resulting number is:
a. negative.
b. positive.
c. negative or positive.
d. a false negative.
Page 1
,Name: Class: Date:
Appx A 1e Lewandowski
7. When two negative numbers are subtracted the resulting number is:
a. negative.
b. positive.
c. zero.
d. negative or positive.
8. In equation X ÷ 4 = 4, X can be isolated from the equation by:
a. adding 4 to the first side.
b. adding 4 to the second side.
c. multiplying the first side by 4.
d. multiplying both sides by 4.
9. Equation √64 is =
a. 4.
b. 8.
c. 16.
d. 32.
10. When an operation needs to be removed from one side of an equation, the opposite operation is performed
to:
a. the side before =.
b. the side after =.
c. both sides.
d. either side, depending on the operation.
11. The first order of operations to perform in equation (8 – 4)3 + 3 × 2 is:
a. addition.
b. multiplication.
c. parentheses.
d. exponents.
12. The symbol that denotes that 4 is less than 6 is:
a. ˂.
b. >.
c. ≥.
d. ≤.
Page 2
,Name: Class: Date:
Appx A 1e Lewandowski
13. Solve for X. X in equation X ÷ 4 = 12 is:
a. 8.
b. 24.
c. 48.
d. 64.
14. In equation z = (X – M) ÷ SD, where M is mean and SD is standard deviation, what is done to the SD?
a. Divide each side by SD.
b. Multiply each side by SD.
c. Divide the M by SD.
d. Multiply the M with SD.
15. Equation: 3 – (–5) is =
a. –15.
b. –2.
c. 15.
d. 2.
Page 3
, Name: Class: Date:
Appx A 1e Lewandowski
Answer Key
1. a
2. d
3. a
4. b
5. c
6. a
7. d
8. d
9. b
10. c
11. c
12. a
13. c
14. b
15. d
Page 4
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller StepsSol. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $39.49. You're not tied to anything after your purchase.
