<BOBOV d$H$H$HVHVV@K< V, -Z(`K@x HH@R(,, N `,-^&'W70  *|l>/k-K *it 12 vidproblemV$VyM@yMV2kW:W; |PV4(}DSETn1IOLVVVV2V !`23jk567wxuvw>?@01278=>CDEMO 2 3 j    >     M N VVREADING Quiz #1 - UNIT 19 WORKING WITH STATISTICS NAME: _______________________________ Date: __________ 1. In your own words, explain the importance of statistics. 2. Name the two types of statistics and explain the purpose of each. 3. Using a representative amount of data from a small group to predict something about the whole group is called: ___________________ statistics. 4. Statistics can be used to both describe and ____________. 5. Measure of central tendency uses _______ _______ to represent all the ____________ in the data. Identify the proper definition for each of the following terms: 6. _____ Mean a. The number that occurs most often 7. _____ Median b. Sum of all data divided by the number of values in the data. 8. _____ Mode c. A point with exactly half the numbers above and half below. 9. The measure of central tendency often called the average is the _________. Unit 19 Reading Quiz #1 Key 1. Organize facts to tell you something. Change data into information you can use. 2. Count or descriptive statistics - You can count or calculate how many time an event occurs. Inferential statistics - Makes a prediction about the whole based on a part 3. Inferential 4. Predictive 5. One number ..... numbers 6. b 7. c 8. a 9. Mean DSET|(HV8 6*8DSET(H;V88j6*8DSETR@VV VV0   VFNTMTH HelveticaCUTSDSUMHDNIETBL8FNTMCUTSDSUMHDNIETBL