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Brrunno [24]
2 years ago
6

There are 8 sophomores on the academic team. At the last competition, they each took the math test. Their scores were 82%, 92%,

76%, 72%, 92%, 74%, 80%, and 78%. What was the median math score of the sophomores?
Mathematics
1 answer:
Sav [38]2 years ago
3 0

Answer:

79%

Step-by-step explanation:

To find the median, you need to arrange the numbers in ascending order. Than pick the middle number. If there are two middle numbers then you add them together and then divide by 2.

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A company manufacturing oil seals wants to establish X and R control charts on the process. There are 25 preliminary samples of
alisha [4.7K]

Answer:

A ) i) X control chart : upper limit = 50.475, lower limit = 49.825

    ii) R control chart : upper limit =  1.191, lower limit = 0

Step-by-step explanation:

A) Finding the control limits

grand sample mean = 1253.75 / 25 = 50.15

mean range = 14.08 / 25 = 0.5632

Based on  X control CHART

The upper control limit ( UCL ) =

grand sample mean + A2* mean range ) = 50.15 + 0.577(0.5632) = 50.475

The lower control limit (LCL)=

grand sample mean - A2 *  mean range = 50.15 - 0.577(0.5632) = 49.825

Based on  R control charts

The upper limit = D4 * mean range = 2.114 * 0.5632 = 1.191

The lower control limit = D3 * mean range = 0 * 0.5632 = 0  

B) estimate the process mean and standard deviation

estimated process mean = 50.15 = grand sample mean

standard deviation = mean range / d2  = 0.5632 / 2.326 = 0.2421

note d2 is obtained from control table

6 0
2 years ago
A punch recipe requires 2/5 of a cup of pineapple juice for every 2 1/2 cups of soda. What is the unit rate of soda to pineapple
Sergio [31]
2 1/2 = 5/2 
<span>ratio : 5/2 : 3/5 (soda to pineapple) </span>
<span>multiply by 2/5 </span>

<span>ratio : 1 : 6/25 (1 unit of soda to 6/25 units of pineapple)</span>
8 0
2 years ago
Read 2 more answers
Rachel, Nancy, and Diego were in fishing competition. Rachel's fish was 7/8 foot long, Nancy's fish was 1/4 foot long, and Diego
Sidana [21]
 It is 1/4 (.25), 1/2 (.5)and 7/8 (.875) from least to greatest
7 0
2 years ago
there are 32 forwards and 80 guards in leos basketball league. eo must include all players on a team and wants each team to have
Marrrta [24]

Close.  The greatest common factor between 32 and 80 is 16 not 8.  

32 (forwards) / 16 (teams) = 2 forwards on each team.

80 (guards) / 16 (teams) = 5 guards on each team.

3 0
2 years ago
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tino4ka555 [31]

Answer:

t + r >= 50, t < 20

Step-by-step explanation:

Number of roses = r

Number of tulips = t

<em>Minimum No. of Flowers to plant: 50</em>

t + r >= 50

<em>Tulips to plant : Less than 20</em>

t < 20

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2 years ago
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