Math

I need help with these following questions:

1. Which type of graph is best to illustrate differences in data by using bars to represent the data?
(a) bar graph (b) line graph
(c) circle graph (d) pictorial graph

2. Sales made last year by Murray's Appliance Store are listed below. The first number tells how many employees made the sales amount. Two sales employees earned in the range of $130,001- $150,000. Six sales employees earned in the range of $ 110,001 - $ 130,000. Ten Sales employees earned in the range of $ 90,001-$ 110,000. Five sales employees earned in the range of $ 70,001 - $ 90,000. Three sales employees earned in the range of $50,001- $70,000. Calculate the mean, median and mode.

(a) mean: $ 99,231.27; median: $ 90,001 -110,000; mode: $ 90,001 - 110,000
(b) mean: $ 100,000.50 ; median: $ 90,001 - 110,000; mode: $ 90,001 - 110,000
(c) mean: $ 90,001 - 110,000 ; median: $90,001 - 110,000; mode: $ 99,231.27
(d) mean: $ 99,321.27; median:
$99,321.27; mode: $ 90,001 - 110,000
(e) mean: $99,231.27; median: $99,231.27; mode: $90,001 - 110,000

3. Which type of graph is best used to present a progression in historical data?
(a) bar graph (b) line graph
(c) circle graph(d) pictorial graph

4. Which type of graph is the most useful for illustrating how data are divided?
(a) bar graph (b) line graph
(c) circle graph(d) pictorial graph

5. If the variance is 49 , what is the standard deviation?
(a) 2,401 (b) 7 (c) 7.9 (d) 6.2 (e) 2.6

6. If the housing budget is 25 % of total expenses, how many degrees on a circle graph would this be?
(a) 45 ° (b) 90 ° (c) 180 ° (d) 270 ° (e) 30 °

7. Find the average rate of return for six different stocks.
stock 1 stock 2 stock 3 stock 4 stock 5 stock 6
5% 7% 8% 4 1/2% 9% 5%
(a)6.42% (b)6.417% (c)6.3% (d)6.5% (e)6.67%

8. Approximately 99 % of all values will fall within __________ standard deviations in a normal distribution.
(a)68 % (b)95 % (c)99 % (d)100 % (e) 3

9. __________ make visual the relationship between the sets of data.
(a) Charts (b) Graphs
(c) Tables (d) Lines

10. A normal distribution is also called a(n) _________ .
(a) line graph (b) bell curve
(c) pie chart (d) standard deviation

Please, please i really need help with these questions please direct me towards the right answer

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  1. We do not do your work for you. Once you have attempted to answer your questions, we will be happy to give you feedback on your work. Although it might require more time and effort, you will learn more if you do your own work. Isn't that why you go to school?

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  2. well im not asking you to give me the answer i just need help to be going to the direction of the problem that's all but im not asking for the answer

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