Irsyad I

14 April 2024 15:29

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Irsyad I

14 April 2024 15:29

Pertanyaan

Ada kumpulan data terdiri 3,5,7, a. Berapa banyak dari empat pernyataan tersebut yang bernilai benar berdasarkan informasi berikut: 1) Rata-rata kumpulan data tersebut 6 bila a=9. 2) Median kumpulan data tersebut 5 bila a=7. 3) Jangkauan kumpulan data tersebut 4 bila a=6. 4) Modus kumpulan data tersebut 3 bila a=5 A. 4 B. 0 C. 3 D. 1 E. 2

Ada kumpulan data terdiri 3,5,7, a.
Berapa banyak dari empat pernyataan tersebut yang bernilai benar berdasarkan informasi berikut:
1) Rata-rata kumpulan data tersebut 6 bila a=9.
2) Median kumpulan data tersebut 5 bila a=7.
3) Jangkauan kumpulan data tersebut 4 bila a=6.
4) Modus kumpulan data tersebut 3 bila a=5

A. 4
B. 0
C. 3
D. 1
E. 2
 


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Someone E

15 April 2024 10:47

Jawaban terverifikasi

<p>jawaban dari pertanyaan tersebut ialah E. 2&nbsp;</p><p>&nbsp;</p><p>penjelasan</p><p>pernyataan 1 : benar</p><p>rata-rata x jika a=9 dengan 3+5+7+9 /4= 24/4 = 6&nbsp;</p><p>&nbsp;</p><p>pernyataan 2 : salah</p><p>median (data tengah) jika nilai a = 7 dari data 3,5,7,7 = &nbsp;5+7/2 = 6</p><p>&nbsp;</p><p>pernyataan 3 : benar&nbsp;</p><p>jangkauan = data terbesar-data terkecil (dari data 3,5,6,7) = 7-3 = 4</p><p>&nbsp;</p><p>pernyataan 4 : salah&nbsp;</p><p>modus ( data terbanyak ) dari data 3,5,5,7 jika a= 5 ialah 5</p>

jawaban dari pertanyaan tersebut ialah E. 2 

 

penjelasan

pernyataan 1 : benar

rata-rata x jika a=9 dengan 3+5+7+9 /4= 24/4 = 6 

 

pernyataan 2 : salah

median (data tengah) jika nilai a = 7 dari data 3,5,7,7 =  5+7/2 = 6

 

pernyataan 3 : benar 

jangkauan = data terbesar-data terkecil (dari data 3,5,6,7) = 7-3 = 4

 

pernyataan 4 : salah 

modus ( data terbanyak ) dari data 3,5,5,7 jika a= 5 ialah 5


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chapter 1: the beginning "Hmmm, so I've signed it. Now all I have to do is register directly from the school," Rita thought quickly . Rita or Rita Yunita is a girl who wants to go to Sakura Academy because she wants to get an award, become a student council member there, join champion, and get a scholarship so she can choose where she wants to go. "I hope I can pass the test so I can go to school at the currently popular Sakura Academy..." Rita spoke to herself. Chapter 2 : the great start . One day in a Japanese city there was a student who entered the Sakura Academy. There were many students who want to registered and then took a test to get permission to enter the academy or not... "Hello new students, welcome to Sakura Academy, a place where smart people study and graduate here," said the principal at Sakura Academy, Mrs. Lesia Kima. "With technology becoming more sophisticated day by day, Sakura Academy is developing it to become even more powerful" added Mrs. Kinada Tira, a teacher from class 1A . "Right, and let's start the registration event, ask all the students to go to the room next to the teachers' council, namely the registration room."Miss Lesia answered clearly. "Wow, that means this school is very modern!" thought Rita, "Hey, what's up there?" called a girl from behind."Huh?"Rita was confused because she heard someone calling her . "Hi, can we be friends? I don't have any friends here yet."answered the girl. "ooh of course, I'm Rita Yunita, what's your name? "Rita answered briefly ."My name is Yuta Aita, nice to meet you!" answered the girl whose name was apparently Yuta. "Yuta! Let's hurry to the student registration room. The other students have already left!" Rita answered quickly because she wanted to go to the registration room too. when they arrived at the registration room... "Haaaah!? The queue for registration is really long!! It took up to one night to queue before Yuta and I could register (sad)," answered Rita quickly but small. "Don't be sad, Rita, I've taken queue number 15 and number 16. I took two, one for you, that was before I met you, so don't worry." Yuta said calming Rita. "Wow, thanks Yuta ^^ "Rita answered happily. "Your welcome Rita, and now it's number 14 after me, then you Rita "Yuta answered calmly. [..NEXT NO.15..] "Well it's my turn! after that you Rita! "Yuta said that as he got up from his seat. "yes Yuta..{oh I'm so scared if I'm not accepted...} "Rita answered while thinking. "yeeeyy! I passed Rita! Now it's your turn! "Rita answered suddenly with a happy face."uh, yes yuta I'm coming..." Rita answered with a worried face.Rita got up from her seat and came to the registration area. "So... where is the registration paper? "Rita asked. "This is the paper, but first, can you provide proof that you are indeed enrolled at this Sakura Academy? "asked the person giving the registration form. "Here it is..I just registered yesterday. Is this true?"asked Rita who was waiting for the answer."Hmmm, wait a minute, I'll take a look first, okay?" answered the the person giving the registration form ."oohhh so you are the person who registered yesterday with the name Rita Yunita huh?"asked the person . "ah, yes, that's right..{hhhh luckily I'm there, so I'm a little calmer..}"Rita answered while thinking ."OK, here is the form, please write it with the correct information. "answered the person earlier. [Rita also wrote everything that was needed on the form correctly.] "Here's the form paper..I've finished answering it..{I hope I pass the next test so I can pass and can go to school here..}" Rita answered while shakingly handing over the form. [After waiting for a long time, Rita finally answered..] "Okay, you passed the next test like your friend Yuta. Isn't she your friend?"asked the person. 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