Author: Anonymous

The author surveyed some of the students in one of his statistics classes about the numbers of hours they work per week. Their responses are described by the histogram below.  Histogram:  Time spent working per week What was the sample size?  [sample] What is the variable in this graph? [variable] Is the variable qualitative or quantitative? [qualquant] What percentage of the respondents said that they worked at least 20 hours? [percent]

GRAMÁTICA: We like cereal. 

A patient with suspected lumbar disc pathology reports increased low back and leg pain after sitting at a computer for several hours. Which mechanical effect MOST likely contributes to the patient’s symptoms?

The table below gives the a frequency distribution for the weight of a sample of newborn elephants in kilograms.   Frequency Distribution Weight (kg) Number of Elephants 90 – 99.9 5 100 – 109.9 7 110 – 119.9 8 120 – 129.9 4 130 – 139.9 2 What is the class width for this table.  Put your response in the space provided below.  Give only the numeric response not the units. 

A(n) _________________ solution has the same concentration of solutes as the cells it interacts with.

If I dissolve sugar in water, then the sugar is the ______________.

Almost all bacteria have…

skip this you completed in live sesisons class  (is 0 points) dormir – jugar- traer – pedir – ir- estudiar- decir – beber- poner – ser – poner – vivir-comer – poder – empezar – dar  Use one verb from the box above and conjugate it properly to best complete the sentences below: REGULAR VERBS. 1. Tú [1] (drink) jugo de naranja.                                                                        2.. Sandra y yo [2](to live) en Dallas.  3. Los estudiantes [3] (study) para el exámen. 4. Mis amigos y yo [4] (to eat) frutas en el almuerzo.   BOOT VERBS. 5. Yo [5](to play) videojuegos después de la escuela 6. Ricardo [6](sleeps) mucho. 7. Los padres de Ana [7](can/are able to) correr 6 millas. 8. El hermano de Ana, no le [8](say/tell) . 9. Ana no [9] (start/begin) la tarea hasta el domingo. 10. Tú [10] (order/ask for) el bistec.    OTHER IRREGULAR VERBS. 11. Yo [11] (give) un regalo.  12.  Nosotros [12] (go) a la fiesta. 13.  Tú [13] (are) de Nueva York. 14. Ella [14] (sets) la mesa.   15. Yo [15] (bring) un lápiz a la clase de español. 

The table below gives the a frequency distribution for the weight of a sample of newborn elephants in kilograms.   Frequency Distribution Weight (kg) Number of Elephants 90 – 99.9 5 100 – 109.9 7 110 – 119.9 8 120 – 129.9 4 130 – 139.9 2 What is the class midpoint for the first class.  Put your response in the space provided below.  Provide the exact numerical answer without units, do not round. 

The data table below gives the speed of a sample of cars passing a check point in miles per hour.  Frequency Distribution Speed Frequency 40 – 49 13 50 – 59 [x] 60 – 69 [y] 70 – 79 8 80 – 89 2 Enter the sample size in the space provided.  This should be a whole number.