Complete each step. a. Create a scatter plot of the data. b. Determine a power function to model the data. c. Calculate the value of each model at x = 30. y X 1 2 3 4 5 6 } 8 22 85 190 370 650 1000 1500

How many songs can a digital music player hold? The data below represent the memory x and the number of songs n. Complete parts (a) through (f) below. O A. O B. Memory, x (gigabytes) Number of Songs, An 19500- An 80어 8 1950 16 3900 32 7800 64 15600 80 19500 ..... Oc. (a) Plot the ordered pairs (x,n) in a Cartesian plane. Choose the correct graph on the right. An 80- An 19500- (b) Show that the number of songs n is a linear function of the memory x. A linear function has a constant average rate of change. The average rate of change between (8,1950) and (16,3900) is 19500 80 (Type an integer or a decimal.)

EXAM SCORE 140 120 100 80 60 40 20 10 12 14 16 1. Looking at the scatter plot, describe the relationship between the two variables, (identify the direction and magnitude)

The data represents the heights of eruptions by a geyser. Use the heights to construct a stemplot. Identify the two values that are closest to the middle when the data are sorted in order from lowest to highest. Which plot represents a stemplot of the data? A. 3 037 4 068 5 001 6006 7 006 8057 9 09 B. 3 4 4 016668 50057 6 009 7 00 37 80 9 0 Identify the two values that are closest to the middle when the data are sorted in order from lowest to highest. The values closest to the middle are inches and inches. (Type whole numbers. Use ascending order.) C. 3 4 4 03 5 00067 6 01668 7 0057 8 09 910 Height of eruption (in.) 68 34 50 90 80 50 40 70 50 61 75 66 66 43 56 60 77 70 89 88557

This table shows the systolic blood pressure of y, patients x years old.  state the slope and interpret the meaning in the context of this problem.

Construct a scatter plot of the data in the table AND create a linear model. 2 10 12 10 14 14 16 18 18 24 a EGO (99- 2.

Use the data in the table below to complete parts (a) through (c). 8 9 15 44 25 25 4 Y 27 Click the icon to view the steps for finding influential points. (a) Construct a scatterplot of the data. Choose the correct graph below. OA. Q G OB. 50- 9 30 ·¯¯¯¯¯¯¯ -------- 0- HI X Q Q OC. Ay 12- -12- 17 22 X 40 Q Q N 20 22 OD. 121x 48 2 Q N

The owner of a radio station wants to determine how much airtime songs take up. The owner collects the song length in seconds of 10 popular songs. The data are reproduced in the table below. Calculate the mode(s) using a TI-83. TI-83 plus, or TI-84 graphing calculator. Length of Songs in Seconds 279 219 298 134 206 293 165 227 230 212

Solve. 4) Construct a box plot from the data below. 20 25 26 26 26 272933 41 43 45 46 47 4850 50 50 51 53 55 57 60 61 62 63

15.) Complete the below table by determining the pattern. Then decide if the relationship is linear or exponential. Input Output 25 I 28 31 1. 2. 3. 4.